# Door/window sensor Homematic IP HMIP-SWDO-2 — wireless RF, white, AAA battery, 102×20×15 mm

**URL:** https://aio.lv/en/product--homematic-ip-157857a0--11744398
**Data updated:** 2026-03-08 13:45 (EET)
**Category:** Smart Sensors
**Manufacturer:** Homematic IP
**Manufacturer code:** 157857A0
**EAN:** 4047976578573
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 48.49 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 40.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--homematic-ip-157857a0--11744398

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

Homematic IP HMIP-SWDO-2 is a wireless door/window sensor using RF communication in a white housing. It is powered by one LR03/Micro/AAA 1.5 V battery with an estimated battery life of 24 months. Dimensions are 102 × 20 × 15 mm. Designed to detect open/closed state for security and home automation systems; suitable for doors, windows and cabinets.

## Long description

Homematic IP HMIP-SWDO-2 is a wireless door and window sensor in a compact white housing. The device detects and reports the open or closed state of doors, windows and similar access points via RF communication. Powered by a single AAA (LR03/Micro) 1.5 V battery, it offers simple installation and integration into Homematic IP smart-home networks for security monitoring and automation tasks. The slim dimensions make it suitable for unobtrusive mounting on frames, casings and furniture.
Advantages
The sensor provides reliable state detection using RF wireless transmission optimized for smart-home applications. Low power consumption enables an estimated battery life of up to 24 months under normal operating conditions, reducing the need for frequent battery changes. Its compact size and white finish allow discreet installation that blends with typical door and window frames. Compatibility with Homematic IP systems ensures straightforward pairing, remote status reporting and event-driven automation.
Suitable for
Monitoring opening/closing of entrance and interior doors
Detecting window status for security and ventilation control
Securing cabinets, drawers or small access panels
Triggering smart-home automations such as lights or alarms
Key specifications
Wireless communication: RF (868–868.6 MHz; 869.4–869.65 MHz)
Power supply: one AAA (LR03/Micro) 1.5 V battery
Estimated battery life: up to 24 months (typical usage)
Dimensions: 102 × 20 × 15 mm
Color: white
Mounting: surface-mounted on frame and sash
How to use
Mount the sensor body and the magnetic contact on the fixed frame and the moving element (door, window or cabinet) so that they align within the specified gap when closed. Insert the AAA battery observing the polarity, then follow pairing instructions in the Homematic IP app or central control unit to add the sensor to your system. Verify correct alignment and transmission by checking the device status in the app and by performing open/close tests. Place the sensor where it will not be exposed to direct moisture or heavy mechanical impact.
Usage recommendations
For reliable operation, install the sensor on clean, dry surfaces and maintain the recommended alignment gap between the sensor and magnet. Replace the battery when the system indicates low battery status. Use the sensor within the specified RF environment and distance limits of your Homematic IP network to ensure consistent communication and timely event reporting.

## Specifications

| Feature | Value |
|---|---|
| Battery voltage | 1.5 V |
| Number of products included | 1 pc(s) |
| Suitable for | Door/Window |
| Battery life | 24 month(s) |
| Installation type | Adhesive tape |
| Battery included | Yes |
| Self-adhesive tape | Yes |
| Mobile app support | Yes |

### Features

| Feature | Value |
|---|---|
| Interface | RF Wireless |
| Connectivity technology | Wireless |
| Product colour | White |
| Operating frequency | 868 - 868.6, 869.4 - 869.65 |
| International Protection (IP) code | IP20 |

### Power

| Feature | Value |
|---|---|
| Battery type | LR03/Micro/AAA |
| Number of batteries supported | 1 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.03 kg |
| Package weight | 116.7 g |
| Height | 15 mm |
| Width | 102 mm |
| Depth | 20 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | 5 - 35 |

### Packaging content

| Feature | Value |
|---|---|
| Manual | Yes |
| Screws included | Yes |

## FAQ

### How much does the Homematic IP HMIP-SWDO-2 door/window sensor cost, and is it available for purchase?

The price is 48.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 17.07.2026 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 Homematic IP 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 IP 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/11744398/67161525_large.webp