SONOFF SNZB-02P Zigbee Indoor Temperature Humidity Sensor, Thermometer Hygrometer with Alert, Works with Alexa & Google Home for Remote Monitoring and Home Automation, ZigBee 3.0 Hub Required, 2-Pack

Price: $29.90
(as of Oct 01, 2026 08:02:48 UTC – Details)

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High Accuracy & Fast Refresh: With the Swiss-made smart hygrometer sensor, the temperature is accurate up to ±0.2°C/±0.4°F while the humidity is ±2%RH, data measurements are updated every 5 seconds to give you the lastest changes of temp and humidity
Zigbee 3.0 Compatible: Supports Zigbee hubs using the Zigbee 3.0 protocol, like SONOFF iHost, NSPanel Pro, ZB Bridge Pro, and ZBDongle-E. And theoretically supports adding to any Zigbee hub developed in accordance with Zigbee 3.0 protocols, like Echo 4th Gen, SmartThings Hub V3
Comfort Alert: When the room temperature or humidity exceeds your set comfort range, you will receive immediate notifications on your phone, helping you maintain room comfort and ensuring life quality
Data Storage & Export: Up to half-year free cloud storage, You can easily access the temperature and humidity variations for each day, month, or every six months through real-time queries, and data can be exported
4 Years Battery Life: Powered by a CR2477 battery. The battery life data is obtained from SONOFF’s internal laboratory, please refer to the actual use
Customers find the humidity meter’s magnetic mounting fantastic and easy to integrate with Home Assistant. However, the connectivity receives mixed feedback, with some reporting it pairs quickly with Zigbee networks while others say it doesn’t stay connected. Moreover, the temperature and humidity readings receive mixed reviews, with some finding them quite accurate while others note they’re not perfectly accurate. Additionally, the battery life is criticized for being weak, and customers disagree on the value for money.