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header-product Environmental Sensor Homematic IP 155105A0
99.49 €

Environmental Sensor Homematic IP 155105A0

Environmental Sensor Homematic IP 155105A0 Photo 1
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Environmental Sensor Homematic IP 155105A0 Photo 5
Environmental Sensor Homematic IP 155105A0 Photo 1
Environmental Sensor Homematic IP 155105A0 Photo 2
Environmental Sensor Homematic IP 155105A0 Photo 3
Environmental Sensor Homematic IP 155105A0 Photo 4
Environmental Sensor Homematic IP 155105A0 Photo 5
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Short description

The Homematic IP 155105A0 is a wireless environmental sensor that measures temperature. It operates on battery power (AA, 1.5V) and features a compact design with dimensions of 58mm width, 97mm depth, and 71mm height. Ideal for smart home applications, it provides accurate environmental data for better home automation.
Available for order: 62 pcs.
Warranty: 2 Years
SKU: 4345806
Manufacturer: eQ-3
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Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
02.10.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
07.10.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.36 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
07.10.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 2.76 euros per month
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Product information

Description

The Environmental Sensor Homematic IP 155105A0 is a battery-powered wireless sensor designed to measure ambient temperature for smart home heating and automation systems. Manufactured by eQ-3, model 155105A0 (EAN 4047976551057), it provides temperature readings for integration with Homematic IP networks and compatible smart thermostatic systems. The compact housing measures 58 mm in width, 97 mm in depth and 71 mm in height, and it is powered by a single AA 1.5V battery, enabling flexible placement where wired power is not available.

Advantages

The sensor offers wireless temperature measurement with easy battery operation, enabling installation without wiring. Its compact dimensions allow inconspicuous placement near radiators, on shelves or walls. Being part of the Homematic IP ecosystem, the device can supply temperature data to smart heating controls and automation routines. The straightforward form factor and standardized battery type simplify replacement and maintenance.

Suitable for

  • Monitoring room temperature for radiator control and smart thermostats
  • Residential zones where wireless temperature sensing is required
  • Temporary or permanent sensor placement in rooms without access to mains power

Key specifications

  • Brand: eQ-3
  • Model / MPN: 155105A0
  • EAN: 4047976551057
  • Power supply: AA battery, 1.5 V
  • Measured parameter: Temperature
  • Dimensions (W × D × H): 58 mm × 97 mm × 71 mm
  • Wireless connection: Homematic IP compatible

How to use

Install one AA 1.5 V battery following the device’s battery compartment markings. Add the sensor to your Homematic IP system according to the central control unit or app instructions, using the device’s model number 155105A0 as a reference if required. Place the sensor at room level away from direct sunlight, heat sources or drafts to obtain representative ambient temperature readings. Once paired, verify that temperature data is received by the controller and assign the sensor to the appropriate room or radiator control group within the app.

Usage recommendations

For reliable temperature control, mount the sensor on an interior wall at typical occupant height and avoid locations near radiators, windows or direct sunlight. Replace the AA 1.5 V battery when battery status in the Homematic IP app indicates low charge, and follow local regulations for battery disposal.

All features
Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.205 kg
Battery type: Description of battery supplied with the product, such battery form factor (e.g. AA/AAA).
AA
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 50
Height: The measurement of the product from head to foot or from base to top.
71 mm
Connector(s):
M30 x 1.5mm
Width: The measurement or extent of something from side to side.
58 mm
Depth: The distance from the front to the back of something.
97 mm
Connectivity technology: The technology that enables connectivity of the device, e.g. wired or wireless.
Wireless
Product colour: The colour e.g. red, blue, green, black, white.
White
Maximum operating distance: The maximum distance from which you can operate the device.
300 m
Battery voltage: The voltage (V) of the battery.
1.5 V
Temperature measurement range: The minimum and maximum temperatures that can be measured.
0 - 50
International Protection (IP) code: The IP code classifies and rates the degree of protection provided against the intrusion (including body parts such as hands and fingers), dust, accidental contact, and water by mechanical casings and electrical enclosures. It is published by the International Electrotechnical Commission (IEC). The digits (characteristic numerals) indicate conformity with the conditions summarized in the tables below. Where there is no protection rating with regard to one of the criteria, the digit is replaced with the letter X. an electrical socket rated IP22 is protected against insertion of fingers and will not be damaged or become unsafe during a specified test in which it is exposed to vertically or nearly vertically dripping water. Another example is the Sony Xperia Z Ultra, one of the first cellular phones to be IP-rated; it is rated at IP58 and marketed as "dust resistant" and can be "immersed in 1.5 meter of freshwater for up to 30 minutes".
IP20
Power source type: What the power source is.
Battery
Built-in display: A display which is part of the product, so you do not need to attach another display.
Yes
Measuring environmental conditions: What environmental conditions the device can measure, e.g. air quality.
Temperature

Description

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Customer reviews

Customer questions

FAQ

How much does the Environmental Sensor Homematic IP 155105A0 cost, and is it available for purchase?

The price is 99.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 62 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 02.10.2026 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. All transactions are 100% secure and encrypted.

Can Environmental Sensor Homematic IP 155105A0 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 Environmental Sensor Homematic IP 155105A0 online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • 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 eQ-3 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 eQ-3 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.
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.