# Door/Window Sensor Homematic IP 158603A0

**URL:** https://aio.lv/en/product--eq-3-158603a0--6224838
**Data updated:** 2026-01-09 12:23 (EET)
**Category:** Control Systems
**Manufacturer:** eQ-3
**Manufacturer code:** 158603A0
**EAN:** 4047976586035
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 66.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 55.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eq-3-158603a0--6224838

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The Homematic IP 158603A0 wireless door/window sensor offers reliable monitoring with a battery life of up to 48 months. Operating on a frequency of 868 MHz, it ensures stable connectivity. Its compact design (147mm x 20mm x 16mm) and white color make it suitable for any home decor. Powered by a 1.5V alkaline battery, this sensor is easy to install and maintain, providing peace of mind for your home security.

## Long description

The Homematic IP Door/Window Sensor (model 158603A0) is a compact wireless sensor for monitoring the opening and closing of doors and windows. Designed for reliable home monitoring, the device operates at 868 MHz and is powered by two 1.5 V alkaline batteries to provide long service life while maintaining a discreet white appearance (147 mm x 20 mm x 16 mm).
Advantages
The sensor reports window and door status to the Homematic IP system and the Homematic IP app, enabling remote status checks. When paired with Homematic IP radiator thermostats, it can trigger automatic temperature reduction during ventilation. The unit's two batteries support an extended operating period—up to approximately 48 months under normal use—reducing maintenance frequency.
Suitable for
Monitoring windows and doors in apartments or houses
Integration with Homematic IP radiator thermostats for energy-saving ventilation control
Use in rooms where a small, unobtrusive sensor is required
Key specifications
Model: Homematic IP 158603A0
Wireless frequency: 868 MHz
Power supply: two 1.5 V alkaline batteries
Battery life: up to 48 months (typical use)
Dimensions: 147 x 20 x 16 mm
Color: white
Brand: eQ-3
EAN: 4047976586035
How to use
Install the sensor on the frame and the magnet on the moving part of the door or window according to the positioning guidelines in the user manual so that the two parts align when closed. Add the device to your Homematic IP system via the app following the pairing instructions. Once connected, the sensor transmits open/closed events to the system and app for status display and automation triggers.
Usage recommendations
Place the sensor within the recommended distance between sensor and magnet and avoid mounting on metallic surfaces that could affect radio range. Replace batteries when the app indicates low battery to maintain reliable monitoring.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.047 kg |
| Battery technology | Alkaline |
| Number of batteries supported | 2 |
| Height | 16 mm |
| Width | 147 mm |
| Depth | 20 mm |
| Connectivity technology | Wireless |
| Product colour | White |
| Operating frequency | 868,0-868,6/869,4-869,65 |
| Battery voltage | 1.5 V |
| Transmission distance | 220 m |
| Suitable for | Door/Window |
| Battery life | 48 month(s) |
| Replaceable battery | Yes |

## FAQ

### How much does the Door/Window Sensor Homematic IP 158603A0 cost, and is it available for purchase?

The price is 66.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 32 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 08.07.2026 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. All transactions are 100% secure and encrypted.

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

## Image

https://aio.lv/img/cache/product/6224838/64366116_large.webp