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, 2-Pack

Price: $28.90
(as of Sep 08, 2026 04:01:37 UTC – Details)

Product description

1 3.6” LCD Screen

2 Advanced Analytics

3 Versatile Use

1 Dual-Sensor Display

2 More Real-life Scenarios

1 Zigbee Hub

2 Open-Source Platforms

3 Voice Control

[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 temperature and humidity sensor works fantastically with Home Assistant and SmartThings, and appreciate its large display and great battery life. The functionality receives positive feedback, with one customer noting it runs on AAA batteries instead of button cells. While customers find the temperature and humidity readings accurate, some report issues with accuracy.