[Remote Control]: You can remotely view temperature humidity via smart phone using the app, tuya smart or smart life. [Third party voice support]This sensor supports Amazon Alexa and Google Home Asistant. You can view the current temperature and humidity through voice. [LCD screen display]: The sensor uses LCD as the display of temperature and humidity. [High precision]sensors use top tier suppliers. It can ensure high accuracy of measurement data. [Memory 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. Specifications: Product Name: Temperature Humidity Sensor Battery: AAAx2(without) Working Temperature: -9.9℃-60℃ Wireless Protocol: 2.4Ghz Zigbee 3.0 Working Humidity: 5%RH-95%RH Temperature Accuracy: ±1℃ Humidity Accuracy: ±5% RH ℉&℃: 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. 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 recording: 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) size: 51 x 51 x 16.5mm Material: plastic colour: White Package Contents: 1 x Temperature humidity sensor