Feature:1. High Accuracy: This sensor is made of top quality conductive material, it can guarantee the high accuracy of measurement data.2. Easy To Read Display: This WiFi thermometer hygrometer uses an electronic screen with a very clear and easy to read display.3. Real Time Monitoring And Recording: This sensor will monitor temperature and humidity in real time. You can view the changes on the screen. Record temperature and humidity history on the app and use graphical display.4. Scene Linkage: The sensor can be used as a temperature and humidity data source for Tuya Smart, for Smart Life, and for Google Home. You can perform many automated processes based on the data source.5. Portable: This temperature, humidity and light sensor is small and lightweight, making it very easy to carry, and can be taken out on business trips.Specification:Item Type: WiFi Temperature Humidity and Light Level SensorMaterial: ABSBuzzer Sound Level: 54dBStandby Current: 60.5uAWireless Frequency: 2.4GHz Luminous Strength Detection Range: 0LX-157000LXFor Zigbee Protocol Version: For Tuya 3.0Temperature Measurement Range: Approx. 0-60℃ / 32-140℉Temperature Accuracy: ±1℃Humidity Measurement Range: 0%RH-100%RHHumidity Accuracy: ±5%RHNetwork Range: 45MBattery Power: 2 AA Batteries ( Shipped Without Batteries ).Package List:1 x Temperature And Humidity Sensor1 x Manual2 x Expansion Screw Tube2 x Screw