# Environmental Sensor Homematic IP 155105A0 Wireless Temperature Battery AA

**URL:** https://aio.lv/en/product--homematic-155105a0--4493353
**Data updated:** 2026-02-16 06:59 (EET)
**Category:** Smart Sensors
**Manufacturer:** HomeMatic
**Manufacturer code:** 155105A0
**EAN:** 4047976551057
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 86.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 71.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--homematic-155105a0--4493353

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The Homematic IP 155105A0 is a wireless environmental sensor that measures temperature. It operates on AA batteries and features a compact design with dimensions of 58 mm width, 97 mm depth, and 71 mm height. Ideal for monitoring indoor climate conditions.

## Long description

The Environmental Sensor Homematic IP 155105A0 Wireless Temperature Battery AA is a compact wireless temperature sensor designed for indoor climate monitoring. It measures ambient temperature and transmits readings over a wireless Homematic IP network. Powered by AA batteries, the device combines a small footprint with simple installation and maintenance, making it suitable for rooms where continuous temperature data is required.
Advantages
The sensor provides reliable temperature measurement with wireless connectivity, allowing flexible placement without wiring. Its battery operation enables installation in locations without mains power and reduces dependence on fixed power outlets. The compact housing supports discreet mounting on walls or flat surfaces, and compatibility with Homematic IP systems ensures integration into existing smart home automation for temperature-based control and monitoring.
Suitable for
 Monitoring room temperature in living rooms and bedrooms
 Climate control in offices and workspaces
 Integration with heating or ventilation automation scenarios
 Use in rooms without mains power or difficult cabling access
Key specifications
 Measurement type: ambient temperature
 Power supply: AA batteries
 Connectivity: wireless Homematic IP protocol
 Dimensions: 58 mm (width) × 97 mm (depth) × 71 mm (height)
 Installation: wall or flat-surface mounting
How to use
Place the sensor in the location where temperature monitoring is needed, avoiding direct sunlight, heating sources, or drafts for accurate readings. Insert fresh AA batteries and follow the Homematic IP registration procedure to add the device to your system. Position the unit at a representative height for room temperature measurement and use the Homematic IP app or central control unit to view real-time values, configure reporting intervals, and integrate the sensor into automation routines.
Usage recommendations
To maintain accurate performance, replace batteries according to device indicators or at regular intervals, check placement to avoid localized heat sources, and ensure the sensor is within wireless range of the Homematic IP base station or access point.

## Specifications

| Feature | Value |
|---|---|
| Connector(s) | M30 x 1.5mm |
| Battery voltage | 1.5 V |
| Temperature measurement range | 0 - 50 |
| Power source type | Battery |
| Measuring environmental conditions | Temperature |

### Features

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| Product colour | White |
| Maximum operating distance | 300 m |
| International Protection (IP) code | IP20 |
| Built-in display | Yes |

### Power

| Feature | Value |
|---|---|
| Battery type | AA |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.205 kg |
| Height | 71 mm |
| Width | 58 mm |
| Depth | 97 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | 0 - 50 |

## FAQ

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

The price is 86.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 02.07.2026 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. 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. 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 HomeMatic 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 HomeMatic 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: connectivity technology, 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.

## Image

https://aio.lv/img/cache/product/4493353/65594288_large.webp