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header-product Computer monitor AOC U27G4XM 27" (68.6 cm) Fast IPS 4K UHD 3840×2160 1 ms LED Black/Red, USB 3.2 hub, VESA, height adjust
406.99 €

Computer monitor AOC U27G4XM 27" (68.6 cm) Fast IPS 4K UHD 3840×2160 1 ms LED Black/Red, USB 3.2 hub, VESA, height adjust

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Computer monitor AOC U27G4XM 27" (68.6 cm) Fast IPS 4K UHD 3840×2160 1 ms LED Black/Red, USB 3.2 hub, VESA, height adjust

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Short description

AOC U27G4XM is a 27" (68.6 cm) LED computer monitor with Fast IPS panel and 4K Ultra HD 3840×2160 resolution. It offers 1 ms response time, 16:9 aspect ratio, 178°/178° viewing angles and 450 cd/m² brightness. Features include a built-in USB 3.2 Gen 1 hub, VESA mount compatibility and height adjustment. Suited for productivity, content creation and gaming.
Available at price 406.99 €: 1 pcs.
Total available for order: 111 pcs.
Warranty: 2 Years
SKU: 11678239
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1.79 €

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2b. Kengaraga str., Riga, Latvia, LV-1063
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05.08.2026 {{selectedOffer.courierDeliveryString}}
From 9.19 € (Weight: 11.00 kg)
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Product information

Description

The AOC U27G4XM is a 27" (68.6 cm) Fast IPS LED monitor with 4K Ultra HD (3840 × 2160) resolution, designed for high-detail visuals and responsive performance. The panel offers a 1 ms response time, wide 178°/178° viewing angles and 450 cd/m² typical brightness. Built-in features include a USB 3.2 Gen 1 hub, VESA mount compatibility and height adjustment, making the monitor suitable for varied desktop setups.

Advantages

The Fast IPS panel combines wide viewing angles with fast pixel response for reduced motion blur, while 4K resolution provides increased detail for productivity and content work. A 1 ms response time and high refresh capability support smooth, low-latency gaming. Integrated USB 3.2 hub and ergonomic height adjustment improve connectivity and comfort in daily use.

Suitable for

  • Competitive and casual gaming
  • Content creation and video/photo editing
  • Office productivity and multitasking

Key specifications

  • Display size: 27" (68.6 cm)
  • Resolution: 3840 × 2160 (4K UHD)
  • Panel type: Fast IPS, LED backlight
  • Aspect ratio: 16:9
  • Response time: 1 ms
  • Typical brightness: 450 cd/m²
  • Contrast ratio (typical): 1000:1
  • Viewing angles: 178°/178°
  • Screen shape: Flat
  • Built-in USB hub: Yes (USB 3.2 Gen 1)
  • Ergonomics: Height adjustment, VESA mount compatible
  • Energy consumption (SDR): 26 kWh per 1000 hours
  • Typical colours: Black / Red

How to use

Place the monitor on a stable desk surface or mount it using a compatible VESA arm or bracket. Connect the display to a PC or console using a suitable video cable that supports 4K output and the desired refresh rate. Attach peripherals to the built-in USB 3.2 hub as needed and adjust the screen height for a comfortable viewing position. Use the monitor on-screen menu to configure brightness, color settings and input selection according to your workflow or game preferences.

Usage recommendations

For best image quality at 4K resolution and high refresh rates, use a graphics card and cables that support the required bandwidth. Position the monitor at eye level and allow regular breaks to reduce eye strain during long sessions.

Specifications

Display diagonal: Size of the display for this product, measured diagonally, usually in inches.
27 "
Display resolution: The number of distinct pixels in each dimension that can be displayed. It is usually quoted as width × height, with the units in pixels: for example, "1024 × 768" means the width is 1024 pixels and the height is 768 pixels. The higher the number of pixels, the sharper the image.
3840 x 2160
HD type: Type of supported High Definition (e.g. Full HD, 4K Ultra HD).
4K Ultra HD
Panel type:
Fast IPS
Display technology: The technology used in the display e.g. plasma, LED.
LED
Power consumption (standby): The amount of electricity that is consumed when the product is on standby.
0.3 W
Power consumption (typical): Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.
45 W
Energy efficiency class (HDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G
Energy efficiency class (SDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G
VESA mounting:
Yes
DisplayPorts quantity: Number of DisplayPorts. A DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.
1
Headphone out: The socket for connecting headphones to the device.
Yes
HDMI: HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.
Yes
HDMI ports quantity: The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.
1
Built-in USB hub: Whether or not the device features a USB hub to connect more than one other device via USB.
Yes
Market positioning: Under which category can the device be positioned in the market, e.g. camera phone.
Gaming
Touchscreen: A screen of a laptop, smartphone, etc., that responds to touch so you can control the interface using your fingers.
No
Product colour: The colour e.g. red, blue, green, black, white.
Black, Red
All features

Other features

DCI-P3 coverage:
98 %
Viewable size, horizontal: The viewable size is often somewhat smaller than the actual size of a monitor, because there is a border around the image.
596.736 mm
Viewable size, vertical:
335.664 mm
Power supply type: The type of power supply which this product uses.
Internal
Cable lock slot: Holes on the edge of devices through which a cable lock can be passed, so the device can be locked to a desk etc.
Yes
Height adjustment: The part of the device that can be adjusted to change the height.
Yes
Tilt angle range:
-3 - 21
Pivot:
Yes
Digital horizontal frequency:
30 - 360
Digital vertical frequency:
48 - 320
Input current:
1.5
Swivelling:
Yes
Backlight type:
Mini LED
Pivot angle:
-90 - 90
Weight (without stand):
5600 g
Height (without stand):
366.4 mm
Depth (without stand):
59.4 mm
Bezel thickness type:
Frameless
Maximum refresh rate:
320 Hz
Local dimming zones:
1152
Local dimming: This means that LEDs can be controlled individually (or in clusters) to control the level of light/color intensity in a given part of the screen.
Yes
Shadow control:
Yes
Dial point:
Yes
FPS counter:
Yes
Low input lag:
Yes

Technical details

Warranty period:
3 year(s)
Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.
CE

Certificates

Certification:
WEEE,REACH compliant,RoHs compliant,CB,TUV-Bauart-Mark,ISO 9241-307,EAC,FCC

Packaging content

Cables included:
AC, HDMI, DisplayPort, USB
Tilt adjustment: The tilt, which means the angle at which the device is pointing (up or down), can be changed.
Yes
Power cable length:
1.8 m
HDMI cable length:
1.8 m

Weight & dimensions

Weight (with stand):
7100 g
Height (with stand):
516.6 mm
Depth (with stand):
240 mm
Width (with stand):
614 mm
Width (without stand):
614 mm

Packaging data

Package weight: Weight of the packaged product.
10300 g
Package height: The distance from the top to the bottom of the packaging.
481 mm
Package depth: The distance from the front to the back of the packaging.
159 mm
Package width: The distance from one side of the packaging to the other.
820 mm

Power

Energy efficiency scale: Range of energy efficiency levels classifying devices from most to least energy-efficient.
A to G
AC input frequency:
50/60
AC input voltage: The voltage of the AC electricity that is inputted into the product.
120 - 240
Energy consumption (HDR) per 1000 hours: Power consumption in switched-on state expressed in W.
40 kWh
Energy consumption (SDR) per 1000 hours: Power consumption in switched-on state expressed in W.
26 kWh
Power consumption (off):
0.3 W
Power consumption (standby): The amount of electricity that is consumed when the product is on standby.
0.3 W
Power consumption (typical): Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.
45 W
Energy efficiency class (HDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G
Energy efficiency class (SDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G

Ergonomics

Swivel angle range:
-28 - 28
Adjustable height (max):
130 mm
Cable management: Description of improved cable management
Yes
VESA mounting:
Yes

Ports & interfaces

HDCP version:
1.4/2.2
DisplayPorts quantity: Number of DisplayPorts. A DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.
1
HDMI version:
2.1
Headphone out: The socket for connecting headphones to the device.
Yes
DisplayPort version:
1.4
HDMI: HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.
Yes
USB Type-A downstream ports quantity:
4
Number of USB Type-B upstream ports quantity:
1
USB hub version:
3.2 Gen 1 (3.1 Gen 1)
HDMI ports quantity: The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.
1
Built-in USB hub: Whether or not the device features a USB hub to connect more than one other device via USB.
Yes

Design

Panel mounting interface: The product can be used wih VESA mounting interfaces.
100 x 100
Screen shape:
Flat
Detachable stand:
Yes
Front bezel colour:
Black
Frameless design:
Yes
Product colour: The colour e.g. red, blue, green, black, white.
Black, Red
Market positioning: Under which category can the device be positioned in the market, e.g. camera phone.
Gaming

Performance

HDCP: High-bandwidth Digital Content Protection (HDCP) is a form of digital copy protection to prevent copying of digital audio and video content as it travels across connections.
Yes
Picture-in-Picture: Picture-in-picture (PiP) is a feature of some television receivers and similar devices. One program (channel) is displayed on the full TV screen at the same time as one or more other programs are displayed in inset windows. Sound is usually from the main program only.
Yes
Game mode:
Yes
Low Blue Light technology:
Yes
Flicker-free technology:
Yes
VESA Adaptive Sync support:
Yes

Display

High Dynamic Range (HDR) supported:
Yes
Display diagonal (metric): This is the size of the display screen, measured diagonally.
68.58 cm
Pixel pitch: This is the parameter of a picture tube, which specifies the shortest distance between two dots of the same colour. The principle is: the smaller the dot pitch, the better sharpness of image.
0.233 x 0.233
Display number of colours:
1.073 billion colours
Viewing angle, vertical: Maximum vertical angle at which a display can be viewed with acceptable visual performance.
178 °
Viewing angle, horizontal: Maximum horizontal angle at which a display can be viewed with acceptable visual performance.
178 °
Dynamic contrast ratio marketing name:
Mega DCR
Contrast ratio (dynamic): A property of a display system, defined as the ratio of the luminance of the brightest color (white) to that of the darkest color (black) that the system is capable of producing.
80000000:1
Contrast ratio (typical): The difference in light intensity between the brightest white and the darkest black.
1000:1
Response time: The response time is the time difference between the moment that a source (for example a video card) sends a signal and that equipment (for example a monitor) receives or display the signal. (Used abbreviations: R/F = Rise and Fall.)
1 ms
Native aspect ratio: The aspect ratio is the ratio of the width of an image to its height. The native aspect ratio is the one which the projector/display is particularly designed for. Images shown in native aspect ratio will utilize the entire resolution of the display and achieve maximum brightness. Images shown in other than native aspect ratio will always have less resolution and less brightness than images shown in native aspect ratio.
16:9
Touchscreen: A screen of a laptop, smartphone, etc., that responds to touch so you can control the interface using your fingers.
No
Adobe RGB coverage:
96.5 %
Colour gamut standard:
Adobe RGB, DCI-P3
High Dynamic Range (HDR) technology:
DisplayHDR 1000
Pixel density:
109 ppi
Anti-glare screen: Always gives an optimal view, even in direct sunlight.
Yes
Response time measurement type:
GTG (Gray to Gray)
Display brightness (typical): Display brightness, measured by its Luminance, presented as a figure in nits. Typical brightness ratings for monitors range from 250 to 350 nits with a target value of between 80 to 120 nits being suitable for most displays in a normal viewing environment.
450 cd/m²
Panel type:
Fast IPS
HD type: Type of supported High Definition (e.g. Full HD, 4K Ultra HD).
4K Ultra HD
LED backlight: A backlight is a form of illumination used in liquid crystal displays (LCDs). One type of backlight is made by LEDs, which can be either white or RGB (red green blue). White LEDs are used most often in notebooks and desktop screens, and in virtually all mobile LCD screens. RGB LEDs for backlighting are found in high-end color proofing displays such as HP DreamColor LP2480zx monitor or selected HP EliteBook notebooks, as well as newer consumer grade displays such as Dell's Studio series laptops which have an optional RGB LED display.
Yes
Display technology: The technology used in the display e.g. plasma, LED.
LED
Display diagonal: Size of the display for this product, measured diagonally, usually in inches.
27 "
Display resolution: The number of distinct pixels in each dimension that can be displayed. It is usually quoted as width × height, with the units in pixels: for example, "1024 × 768" means the width is 1024 pixels and the height is 768 pixels. The higher the number of pixels, the sharper the image.
3840 x 2160

Reasons to buy

DFM UHD@160Hz - FHD@320Hz - MONITOR

Dual Frame Mode (DFM) on AOC monitors offers unparalleled flexibility, allowing users to harness the power of UHD 3840x2160 resolution at an ultra-smooth 160Hz refresh rate. This advanced feature delivers exceptionally sharp, vibrant, and fluid visuals, perfect for immersive gaming, high-definition content creation, and cinematic experiences, ensuring every detail is rendered with stunning clarity and responsiveness. Push your performance to the limit with a lightning-fast 320Hz refresh rate at Full HD resolution. Perfectly balanced for competitive gamers, this display delivers ultra-smooth motion, razor-sharp clarity, and minimal input lag—giving you the speed and precision to stay ahead in every frame.

DFM UHD@160Hz - FHD@320Hz - MONITOR

Vesa Certified DisplayHDR™ 1000

Vesa Certified DisplayHDR™ 1000 delivers a dramatically different visual experience. Unlike other "HDR compatible" screens, trueDisplayHDR™ 1000 produces astonishing brightness, contrast and colors. With the help of local dimming and super high peak brightness up to 1000 nits, images come to life with advanced highlights and deeper, more nuanced blacks. It renders a fuller palette of rich new colors, delivering a visual experience that engages your senses.

Vesa Certified DisplayHDR™ 1000

Wide Color Gamut

When you are enjoying photos, videos or games, we want your screen content to look as lifelike as possible. That is why this display comes with Wide Colour Gamut technology, which means it can display many more colours than conventional monitors. This is achieved through a special hardware solution, not mere software adjustments. The result: true-to-life images with fine details that become visible thanks to the broader colour palette.

WIDE COLOR GAMUT

Low Input Lag

Unleash your reflexes by switching to the AOC Low Input Lag mode. Forget graphical frills: this mode prioritizes raw response time, giving the ultimate edge in hair-trigger stand-offs.

Low Input Lag

Ergonomic Design

Ergonomic stand to maintain comfort and prevent strain during long gaming sessions. It offers a wide range of motion and easy height, tilt, and swivel adjustments, accommodating proper ergonomics and your personal preferences.

ERGONOMIC DESIGN

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Energy label

Energy label
U27G4XM
Model

Device manufacturer code

AOC
Manufacturer

Device manufacturer

0.3 W
Power consumption (standby)

The amount of electricity that is consumed when the product is on standby.

45 W
Power consumption (typical)

Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.

G
Energy efficiency class (HDR)

Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.

G
Energy efficiency class (SDR)

Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.

1
DisplayPorts quantity

Number of DisplayPorts. A DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.

Yes
Headphone out

The socket for connecting headphones to the device.

Yes
HDMI

HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.

1
HDMI ports quantity

The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.

Yes
Built-in USB hub

Whether or not the device features a USB hub to connect more than one other device via USB.

Gaming
Market positioning

Under which category can the device be positioned in the market, e.g. camera phone.

No
Touchscreen

A screen of a laptop, smartphone, etc., that responds to touch so you can control the interface using your fingers.

4K Ultra HD
HD type

Type of supported High Definition (e.g. Full HD, 4K Ultra HD).

LED
Display technology

The technology used in the display e.g. plasma, LED.

27 "
Display diagonal

Size of the display for this product, measured diagonally, usually in inches.

3840 x 2160
Display resolution

The number of distinct pixels in each dimension that can be displayed. It is usually quoted as width × height, with the units in pixels: for example, "1024 × 768" means the width is 1024 pixels and the height is 768 pixels. The higher the number of pixels, the sharper the image.

Black, Red
Product colour

The colour e.g. red, blue, green, black, white.

Customer reviews

Customer questions

FAQ

How much does the AOC U27G4XM 27" 4K UHD monitor cost, and is it available for purchase?

The price is 406.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 111 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Friday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can AOC U27G4XM 27" 4K UHD monitor be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the AOC U27G4XM 27" 4K UHD monitor online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
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  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All AOC products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized AOC service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: display diagonal, display resolution, hd type, panel type, display technology, power consumption (standby), power consumption (typical), energy efficiency class (hdr), energy efficiency class (sdr), vesa mounting, displayports quantity, headphone out, hdmi, hdmi ports quantity, built-in usb hub, market positioning, touchscreen, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for AOC U27G4XM 27" 4K UHD monitor?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.