1、APP Remote Control: It can be remotely controlled by application program, and the indoor temperature can be monitored in real time no matter where you are. 2、Intelligent Linkage: Scene intelligent link gateway, which is the companion of air condition. Automatically turn on the air conditioner when the weather is dry. 3、Automatic Alarm: The temperature and humidity sensor provides a safer and more intimate automatic alarm service for your family. 4、Large Data Storage: 30 days of historical data storage, intuitive understanding of environmental changes. It is practical and convenient. 5、Wide Application: The temperature humidity sensor makes life more comfortable and is widely used in offices, homes, warehouses, shops and other places. 1 x Smart Temperature Humidity Sensor1 x Manual1 x Needle Item Type: Smart Temperature Humidity SensorMaterial: ABSProduct Size: Approx. 37 x 11.6mm / 1.46 x 0.46inWeight: Approx. 32g / 1.1ozBattery: CR2032 Button Battery 150mah (Included)Working Humidity: 0% to 95%RH (No Condensation)Humidity Range: ± 0.3%Operating Temperature: -10℃ to 50℃Temperature Range: ± 0.3℃