Sonoff SNZB-02M AirGuard TH Zigbee Temperature Humidity Air Pressure Sensor

Product Description:

The Sonoff SNZB-02M is a wireless Zigbee 3.0 sensor for measuring temperature, humidity, and air pressure. It additionally calculates the dew point and the VPD (Vapor Pressure Deficit), which can be used to assess the transpiration environment of plants.

The sensor is powered by a non-rechargeable CR2477 lithium battery and has an estimated battery life of up to two years, depending on settings and environmental conditions.

It can be mounted magnetically or with a supplied metal plate and is designed for indoor use, with a recommended installation height of up to 2 meters.

Additional Features:

Measurement Functions

Temperature: Measurement accuracy of up to ±0.2 °C.

Humidity: Measurement accuracy of up to ±2% RH.

Air Pressure: Measurement accuracy of up to ±0.1 hPa.

Dew Point: Calculated from temperature and humidity data.

VPD: Calculated from air temperature and humidity.

Compatibility and Smart Home Integration

Zigbee 3.0: Requires a Zigbee gateway or a local Zigbee coordinator for operation.

eWeLink: Can be used via a SONOFF Zigbee gateway in the eWeLink app.

Home Assistant: Can be integrated with a compatible Zigbee coordinator.

Zigbee2MQTT: Integration depends on the supported device list.

ZHA: Compatibility depends on the current device profile.

Technical Specifications:

Model: SNZB-02M

Communication: Zigbee 3.0

Operating Mode: Battery operated

Battery Type: CR2477

Operating Temperature: -20 °C to 60 °C

Operating Humidity: 5% to 95% RH

IP Protection Class: Splash resistant

Dimensions: 45 x 45 x 17.6 mm

Weight: 47 g

Product Category: Sensor

Power Supply: CR2477 Battery

Color: White