Features： 1、Real Time Monitoring: The sensor can monitor temperature and humidity in real time, the measurement is fast and accurate. 2、Mobile Phone Connection: The sensor can be connected wirelessly to mobile phone, you can view the temperature and humidity data on the APP. 3、Information Reminder: When the data is higher or lower than normal, the sensor will send you a push message through the app. 4、Wide Compatibility: The sensor is compatible for Tuya Smart, for Smart Life, etc. and for Google Assistant. 5、Good Adaptability: The sensor is suitable for a variety of complex applications, can meet all your installation environment needs. Specification： Item Type: Smart Temperature and Humidity Sensor Material: ABS Temperature Measurement Range: -10℃ to 50℃ Humidity Measurement Range: 0%RH to 99%RH Power Supply: CR2032 button battery 50mAh (built in) Package List： 1 x Smart Temperature and Humidity Sensor 1 x Accessory 1 x Manual