High precision: The sensor uses top suppliers. It can guarantee the high precision of the measurement data. Real-time monitoring and recording: The sensor will monitor the temperature and humidity in real time. You can view the changes in the value on the APP. Record the temperature and humidity changes on the APP, and use the graphics to show you. Scene linkage: The sensor can be used as the temperature and humidity data source of Tuya Smart, Smart Life, Amazon , Google Home. You can do many automated processes based on the data source. voice support: The sensor supports Amazon , Google Home Asistant. You can check the current temperature and humidity by voice. APP Remote Monitor: When the sensor is registered to the APP and connected to the Internet, you can monitor the temperature and humidity of the room in real time anywhere in the world. Work with Amazon , Google Home: After connecting Amazon and Google home, you can query the current temperature and humidity by voice. Application Scenarios: You can install the sensor wherever you need (WiFi connection network is required). Intelligent Linkage: High-precision and real-time monitoring help you complete different linkage strategies. For example, if the temperature reaches 32.6 degrees Celsius, than turn on the conditioner through our universal remote control. Or turn on the humidifier when the humidity is less than a certain value. NOTE: After configuration, it will take 30 minuters to be accurate. supply: LR03-1.5V/AAA*2(not included) Wireless Type:Wi-Fi 2.4G Temperature Measure Range: -20-60 Temperature Accuracy: +/- 1 Humidity Measure Range: 0% RH~99% RH Humidity Accuracy: +/- 1% RH Colour: white Material: ABS Size: 70x25x20mm Package Contents: 2 * TemperatureHumidity Sensor Only the above package content, other products are not included. Note: Light 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.