Product Features: High precision The sensor uses top suppliers. It can guarantee the high precision of the measurement data. Real-time monitoring and recording The sensor uses USB power supply. Compared with the battery version the sensor will monitor the temperature and humidity in real time. The sensor will report when the temperature and humidity changes very little. You can view the changes in the value on the APP or display screen. Record the temperature and humidity changes on the APP and use the graphics to show you. LCD screen display The sensor uses LCD as the display of temperature and humidity and the display of time and date is added on the screen. Time and date are automatically calibrated. Scene linkage The sensor can be used as the temperature and humidity data source of Tuya Smart Smart Life Amazon Alexa Google Home. You can do many automated processes based on the data source. Temperature Unit Switch The sensor is designed with a temperature display conversion function of Celsius and Fahrenheit. You can choose the unit that needs to be displayed according to your needs. Third-party voice support The sensor supports Amazon Alexa Google Home Asistant. You can check the current temperature and humidity by voice. Product Parameter: Power supply: DC 5V/1A Mocro USB Wi-Fi Support: 2.4G IEEE 802.11 b/g/n Temperature Measure Range: 0-60C Temperature Accuracy: 1 Humidity Measure Range: 0% RH~99% RH Humidity Accuracy: 1% RH Material: ABS Size: 65*65*17MM LED Indicator: Blue Package Included: 1*Temperature Humidity Sensor