# SONOFF SNZB-02P

*SONOFF / SNZB-02P*

> The SNZB-02P needs a Zigbee 3.0 hub or coordinator. It reads temperature and humidity to within 0.2 degrees C and 2% RH, and runs for up to 4 years on a CR2477 coin cell. It suits Home Assistant users, with native support through Zigbee. HomeKit users reach it through an integration (a Matter bridge). Google Home, Alexa and SmartThings users reach it through an integration (Zigbee).

- Canonical page: https://smarthomecanon.com/devices/sonoff-snzb-02p
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [SONOFF](https://smarthomecanon.com/brands/sonoff) |
| Category | Temperature and humidity sensor |
| Model numbers | SNZB-02P |
| Status | Current[^1] |
| Type | Temperature and humidity[^1] |
| Power | CR2477 battery[^1] |
| Radio | Zigbee 3.0[^1] |
| In Zigbee2MQTT docs | Yes[^2] |

## Integration paths

**How the SONOFF SNZB-02P connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter via Bridge](https://smarthomecanon.com/protocols/matter-bridged) | A SONOFF Matter bridge, such as the Zigbee Bridge Ultra[^3] | unknown | unknown |
| [Zigbee](https://smarthomecanon.com/protocols/zigbee) | A Zigbee 3.0 hub or coordinator[^1] | unknown | unknown |

**Platform support for the SONOFF SNZB-02P**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Matter via Bridge | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Via integration[^3] |  |
| Zigbee | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Via integration[^1] |  |
| Zigbee | [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) | Via integration[^1] |  |
| Zigbee | [Google Home](https://smarthomecanon.com/platforms/google-home) | Via integration[^1] |  |
| Zigbee | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | Native[^2] | zigbee2mqtt |
| Zigbee | [Homey](https://smarthomecanon.com/platforms/homey) | withheld | se.styrahem.sonoff.zigbee |

## Related pages

- [SONOFF sensors and buttons](https://smarthomecanon.com/lines/sonoff-zigbee-sensors) (line)
- [SONOFF](https://smarthomecanon.com/brands/sonoff) (brand)
- [Matter through a bridge](https://smarthomecanon.com/protocols/matter-bridged) (protocol)
- [Zigbee](https://smarthomecanon.com/protocols/zigbee) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)

## Sources

[^1]: SONOFF store: SONOFF Zigbee Temperature and Humidity Sensor | SNZB-02P. https://sonoff.tech/products/sonoff-zigbee-temperature-and-humidity-sensor-snzb-02p (manufacturer, checked 2026-10-10)
[^2]: Zigbee2MQTT: SONOFF SNZB-02P. https://www.zigbee2mqtt.io/devices/SNZB-02P.html (platform documentation, checked 2026-10-10)
[^3]: SONOFF Zigbee Bridge Ultra. https://sonoff.tech/products/sonoff-zigbee-bridge-ultra (manufacturer, checked 2026-10-13)