SONOFF Zigbee Thermometer Hygrometer SNZB-02UL with 2.9" E-Ink Display Indoor Temperature Humidity Sensor App Alerts, Remote Monitoring for Bedroom, Wine Cellar, Greenhouse

[Zigbee 3.0 Compatible] Monitor current temperature & humidity and view 6-hour trends without a gateway. Connect to Zigbee 3.0 hubs or Home Assistant for remote monitoring, weather display, alerts, and smart automation. [2.9" E-Ink Display] Nearly 180° wide viewing angle with clear readability even in bright light. Displays temperature, humidity, time, date, and weather info on one screen for quick viewing. [Dual Historical Data Tracking] Press the button to view 6-hour temperature & humidity trends on screen. Via app, view and export up to 6 months of data, including temperature, humidity, dew point, and VPD for plant care, storage, and environment optimization. [High-Precision Monitoring] Built-in Swiss professional sensor delivers ±0.2°C temperature accuracy and ±2% RH humidity accuracy. Data refreshes every 5 seconds. Double-click to switch between °C and °F. [Alerts & Automation] Set custom temperature & humidity thresholds and receive instant app alerts when values exceed limits. Create smart scenes with smart plugs to automatically control fans and humidifiers for easier environment management.