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 Sensor Material: ABS Buzzer Sound Level: 54dB Standby Current: 60.5uA Wireless Frequency: 2.4GHz Luminous Strength Detection Range: 0LX-157000LX For Zigbee Protocol Version: For Tuya 3.0 Temperature Measurement Range: Approx. 0-60℃ / 32-140℉ Temperature Accuracy: ±1℃ Humidity Measurement Range: 0%RH-100%RH Humidity Accuracy: ±5%RH Network Range: 45M Battery Power: 2 AA Batteries ( Shipped Without Batteries ). Package List: 1 x Temperature And Humidity Sensor1 x Manual2 x Expansion Screw Tube2 x Screw