SONOFF SNZB-02DR2 AirGuard TH, Indoor Smart Zigbee Temperature and Humidity Sensor, 3.6” LCD Display, App Monitoring with Charts, Notification Alerts, Data Export, Remote Data Display, 1-Pack

Price: $14.90
(as of Aug 31, 2026 12:03:23 UTC – Details)

From the brand

Water valve series

Dongle-M

TRVZB

[3.6” Large LCD Display with Daily Highs and Lows] The large LCD stays crisp and readable from several meters away, suitable for the elderly, providing rich information grasped at a glance: Real-time data(updated every 5s), Max/Min data in 24-hour and comfort level signals.
[App Remote Real-time monitoring & notification] You can monitor the temperature and humidity in real time on the App remotely, with up to 120m/400ft coverage. Receive instant alerts from the App when data exceeds the set comfort level.
[Remote Data Display for Multi-Room Monitoring] The device can display real-time data from another temp. & humi. sensor after setting it as remote data source. Help expand your monitoring area, keep track of the nursery, bathroom, wine cellar, or greenhouse conditions without walking over.
[High Accuracy & Real-time Chart] With the Swiss Sensirion sensor, the temperature and humidity accuracy is maintained respectively at ±0.2℃ (-20~60℃) and ±2% RH(0~100%RH). App provides a detailed real-time chart recording temp.& humi. data per minute in recent 24 hours.
[Half-year History Record & Diverse Charts] View 6-month detailed records with maximum, minimum, and average curves across four time spans — daily, weekly, monthly, and half-year. The device also provides dew point and VPD insights. All history record can be exported for free.
Customers find the humidity meter works fantastically with Home Assistant and SmartThings, and appreciate its temperature and humidity accuracy. They describe it as an impressive zigbee smart thermometer with a large, easy-to-read display that’s amazingly simple to set up. Customers consider it good value for money.