HIGHLIGHT Remote Control:You can remotely view temperature humidity via smart phone using the app,tuya smart or smart life. Third party voice supportThis sensor supports Amazon Alexa and Google Home Asistant. You can view the current temperature and humidity through voice. Battery Life:Use AAA*2pcs,battery are not included. LCD screen display:The sensor uses LCD as the display of temperature and humidity. High precisionsensors use top tier suppliers. It can ensure high accuracy of measurement data. & : The sensor is designed with temperature conversion function between Celsius and Fahrenheit degrees. You can choose the units to display as needed. The switching speed is related to the set data update frequency. M emory Function You can always save the historical temperature in the APP. Scene linkage This sensor can serve as a temperature and humidity data source for Graffiti Intelligence, Smart Life, Amazon Alexa, and Google Home. You can perform many automated processes based on the data source. WiFi Version WiFi+Bluetooth, Connect to the network faster with WiFi+Bluetooth dual mode.Connecting to the network is twice faster than only WiFi. ZigBee Version Tuya Smart ZigBee Temperature and Humidity Sensor:Requires Tuya ZigBee Wireless Gateway Hub. Sharing function Share with family for common control. Real time monitoring and recordingfor WiFi Version, Actively report when the temperature exceeds 1 degree, and automatically report when the humidity exceeds 6% (no change, no report, mandatory report for eight hours) for ZigBee Version, Temperature and humidity The temperature exceeds 1 degree, and the humidity exceeds 6% (no change, no report, mandatory report for half an hour) Specifications: Product Name: Temperature Humidity Sensor Dismensions: 51*51*16.5mm Weight: 18.5g Battery: AAA*2(Not included) Working Temperature: -9.9-60 Wireless Protocol: 2.4Ghz Wifi /Zigbee 3.0 Working Humidity: 5%RH-95%RH Temperature Accuracy: 1 Humidity Accuracy: 5% RH Package included: 1*Temperature humidity sensor 1*Manual