# Outdoor Temperature & Humidity Sensor Homematic IP HmIP-SWO-PR

**URL:** https://aio.lv/en/product--homematic-151821a0--3124644
**Data updated:** 2026-01-13 17:38 (EET)
**Category:** Sensors & Detectors
**Manufacturer:** HomeMatic
**Manufacturer code:** 151821A0
**EAN:** 4047976518210
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Homematic IP HmIP-SWO-PR is a freestanding outdoor temperature and humidity sensor. It operates wirelessly and is powered by an LR6 battery (1.5 V). Weighing 1.42 kg, it features a compact design with a package width of 564 mm and depth of 369 mm. Certified with CE, this sensor provides accurate readings for better climate control in your home or garden.

## Long description

The Outdoor Temperature & Humidity Sensor Homematic IP HmIP-SWO-PR is a freestanding wireless sensor designed to measure ambient temperature and relative humidity in outside environments. The device runs on a single LR6 (AA) battery (1.5 V) and is intended to integrate with Homematic IP systems for remote monitoring and automated climate control. The compact housing and lightweight design allow for flexible placement on patios, in gardens, or near windows where reliable environmental measurements are required.
Advantages
The sensor provides wireless data transmission compatible with Homematic IP, enabling remote reading of temperature and humidity values without direct wiring. Battery operation simplifies installation and relocation, while the compact form factor reduces visual impact in outdoor areas. CE certification indicates conformity with applicable European safety and EMC requirements.
Suitable for
Monitoring outdoor temperature for heating/cooling automation
Recording humidity levels in garden and greenhouse environments
Providing external climate data for weather-dependent home automation routines
Placement near windows, terraces, balconies or other outdoor living spaces
Key specifications
Measured values: temperature and relative humidity
Power supply: 1× LR6 (AA) battery, 1.5 V
Device type: freestanding outdoor sensor
Connectivity: wireless integration with Homematic IP system
Weight: 1.42 kg
Package dimensions (approx.): width 564 mm, depth 369 mm
Certification: CE
How to use
Insert a fresh LR6 (AA) battery into the sensor and place the unit in a sheltered outdoor location where it can measure ambient conditions without direct exposure to heavy precipitation. Pair the sensor with a Homematic IP access point or compatible controller following the manufacturer's pairing procedure to enable wireless communication. Once connected, configure reporting intervals and include the sensor in scenes or automation rules to use its temperature and humidity readings for climate control or monitoring purposes.
Usage recommendations
For reliable readings, install the sensor under an overhang or protective cover to avoid direct sunlight and water exposure. Replace the battery when low power is indicated by the system and periodically check the mounting location to ensure unobstructed airflow and accurate measurement.

## Specifications

| Feature | Value |
|---|---|
| Type | Freestanding |
| Weight | 1.417 kg |
| Certification | CE |
| Battery type | LR6 |
| Number of batteries supported | 3 |
| Sensor type | Temperature & humidity sensor |
| Connectivity technology | Wireless |
| Purpose | Outdoor |
| Operating radius | 400 m |
| Package depth | 369 mm |
| Package height | 147 mm |
| Package width | 564 mm |
| Battery voltage | 1.5 V |
| RF transmission frequency | 869 MHz |
| Built-in display | No |
| Temperature measuring range | -20 - 55 |
| Humidity measuring range | 1 - 99 |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 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

## Image

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