Real-time monitoring and recording. The sensor uses USB 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, , 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.color:WhiteMaterial:plasticsize: about 89 x 86 x 25mmPackage Contents:1 x Temperature & Humidity Sensor1 x Chinese and English ManualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.