# Digital signage flat panel DAHUA DHI-LDH55-LAI400L 55" 4K UHD LCD 3840x2160 500 cd/m² Android 11

**URL:** https://aio.lv/en/product--dahua-m0326191--12402432
**Data updated:** 2026-04-29 13:50 (EEST)
**Category:** Monitors
**Manufacturer:** DAHUA
**Manufacturer code:** M0326191
**EAN:** 6923172563521
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 926.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 765.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dahua-m0326191--12402432

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

DAHUA DHI-LDH55-LAI400L is a 55" digital signage flat panel with 4K Ultra HD (3840×2160) IPS VA LCD, 500 cd/m² brightness and 8 ms response time. It runs Android 11 with a built-in processor and speakers, supports VESA mounting and is intended for public displays, retail, corporate and information signage applications.

## Long description

DAHUA DHI-LDH55-LAI400L is a 55" digital signage flat panel with a 4K UHD (3840 × 2160) IPS VA LCD optimized for continuous public-display use. The panel delivers 500 cd/m² brightness and an 8 ms response time, runs Android 11 on a built‑in quad‑core processor, and includes integrated speakers and network connectivity. Designed for retail, corporate and information signage, the unit supports VESA mounting and offers industrial‑grade durability for long operating hours.
Advantages
The high‑resolution 4K LCD and IPS VA technology provide wide viewing angles and sharp visual detail suitable for close‑range and distant viewing. Android 11 and the onboard quad‑core CPU enable native app playback and smooth 4K decoding without requiring an external player. Built‑in speakers and network support simplify installation and content delivery, while the industrial‑grade panel and continuous operation design make the display suitable for prolonged public use.
Suitable for (tasks / use cases)
Retail digital advertising and promotional screens in stores and shopping centres
Corporate reception, meeting room schedules and internal information displays
Public information boards in transport hubs, museums and municipal facilities
Menu boards and point‑of‑sale signage in restaurants and cafés
When it may not be suitable
This flat panel is intended for indoor digital signage applications; it is not designed for outdoor use or exposure to direct weather conditions. It may be unnecessary for users who only require a basic office monitor without integrated signage management features or Android app support.
Key specifications
Display diagonal: 55" (139.7 cm)
Resolution: 3840 × 2160 (4K Ultra HD)
Panel type: IPS VA LCD
Brightness: 500 cd/m²
Response time: 8 ms
Operating system: Android 11 (built‑in)
Audio: built‑in speakers (integrated output)
Mounting: VESA compatible
Network: Ethernet LAN support for content and remote management
Continuous operation: industrial‑grade design for extended daily use
Colour: Black
Energy class (SDR): G; energy consumption (SDR) per 1000 h: 100 kWh
How to use
Install the display on a VESA‑compatible bracket or wall mount following standard mounting safety guidelines and ensure adequate ventilation. Connect power and an Ethernet cable for networked content management, or use local storage and Android apps to play media. Use the device’s management interface or a compatible signage platform to schedule, partition and distribute playlists; the device supports intelligent split‑screen layouts and timed program release. Adjust brightness and audio levels through the on‑screen menu to suit ambient conditions.
What to consider before purchase
Intended installation location (indoor use only, ensure adequate ventilation and mounting support)
Need for networked remote management versus local playback using Android apps
Ambient light levels to determine whether 500 cd/m² brightness meets visibility needs
Sound requirements — integrated speakers simplify audio but may be insufficient for large spaces
Energy efficiency (SDR class G) and expected operating hours when estimating power costs
Usage recommendations
For reliable operation, set up the display in a temperature‑controlled indoor environment, use wired Ethernet for stable content delivery, and employ the device’s split‑screen and scheduling features to maximise content flexibility. For larger venues or higher ambient light, consider complementary external audio or higher‑brightness solutions.

## Specifications

### Display

| Feature | Value |
|---|---|
| Display diagonal | 55 " |
| Display technology | LCD |
| HD type | 4K Ultra HD |
| Panel type | IPS VA |
| Display resolution | 3840 x 2160 |
| Response time | 8 ms |
| Display brightness | 500 cd/m² |
| Viewing angle, vertical | 178 ° |
| Viewing angle, horizontal | 178 ° |
| Native aspect ratio | 16:9 |
| Display number of colours | 1.07 billion colours |
| Touchscreen | No |
| LED backlight | Yes |
| Native refresh rate | 60 Hz |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Placement supported | Indoor |
| Panel mounting interface | 200 x 200 |
| Product design | Digital signage flat panel |
| Orientation | Horizontal/Vertical |

### Ports & interfaces

| Feature | Value |
|---|---|
| DVI port | No |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI version | 2.1 |
| USB ports quantity | 2 |
| Number of speaker outputs | 1 |
| USB port | Yes |
| Compatible memory cards | MicroSD (TransFlash) |
| Card reader integrated | Yes |

### Ergonomics

| Feature | Value |
|---|---|
| VESA mounting | Yes |

### Audio

| Feature | Value |
|---|---|
| Number of built-in speakers | 2 |
| Built-in speaker(s) | Yes |

### Performance

| Feature | Value |
|---|---|
| Purpose | Universal |
| Operating system installed | Android 11 |

### Network

| Feature | Value |
|---|---|
| Ethernet LAN | Yes |
| Wi-Fi | No |
| Ethernet LAN data rates | 1000, 100, 10 |

### Multimedia

| Feature | Value |
|---|---|
| RMS rated power | 20 W |

### Technical details

| Feature | Value |
|---|---|
| Sustainability certificates | ErP |
| Compliance certificates | CE |

### Thin Client

| Feature | Value |
|---|---|
| Built-in processor | Yes |
| Processor cores | 4 |

### Computer system

| Feature | Value |
|---|---|
| Audio formats supported | WAV, WMA |
| Video formats supported | AVI, H.265, H.264, MKV, MOV, MP4, WMV |
| Internal storage capacity | 32 GB |
| Processor architecture | ARM Cortex-A55 |
| Processor frequency | 1.92 GHz |
| Internal memory | 4 GB |

### Other features

| Feature | Value |
|---|---|
| Power supply type | Internal |

### Power

| Feature | Value |
|---|---|
| Energy efficiency class (SDR) | G |
| Energy efficiency class (HDR) | Not available |
| Energy consumption (SDR) per 1000 hours | 100 kWh |
| Power consumption (typical) | 95 W |
| Power consumption (off) | 0.4 W |
| Power consumption (standby) | 0.4 W |
| Power consumption (max) | 160 W |
| AC input frequency | 50/60 |
| AC input voltage | 100 - 240 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Display depth | 79.3 mm |
| Display height | 728.7 mm |
| Display weight | 11700 g |
| Display width | 1243.7 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 10 - 85 |
| Storage temperature (T-T) | -20 - 60 |
| Operating temperature (T-T) | 0 - 40 |
| Storage relative humidity (H-H) | 10 - 90 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 16900 g |
| Package depth | 117 mm |
| Package height | 805 mm |
| Package width | 1320 mm |

## FAQ

### How much does the DAHUA DHI-LDH55-LAI400L 55" 4K digital signage cost, and is it available for purchase?

The price is 926.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 09.07.2026 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: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can DAHUA DHI-LDH55-LAI400L 55" 4K digital signage be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 DAHUA 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 DAHUA 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. More information about warranty service: https://aio.lv/en/warranty

### 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, response time, vesa mounting, built-in speaker(s), energy efficiency class (sdr), energy efficiency class (hdr), energy consumption (sdr) per 1000 hours, 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 DAHUA DHI-LDH55-LAI400L 55" 4K digital signage?

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.

## Image

https://aio.lv/img/cache/product/12402432/68688136_large.webp