1、Intelligent Control: You can download application on your phone to control this sensor, or you can connect it with your smart voice device, making it easier to use. 2、Message Push: When the current temperature or humidity exceeds the set value, the sensor pushes messages to the phone, so you can know the indoor conditions at any time. 3、Auto Control: Connect the sensors and the air conditioner via the mobile app, and automatically turn on the air conditioner when the ambient temperature is above 30 °C. 4、Practical: App remote monitoring temperature and humidity, the panel simultaneously displays temperature, humidity, time, wifi signal, remaining power. 5、Application: Temperature monitoring range of ‑9‑99 °C, humidity monitoring range of 0%‑99% RH, can be installed on bedside tables, desks, offices, or hanging on the wall. 1 x Sensor1 x Manual Item Type: Temperature Humidity SensorMaterial: ABS, PCSupport APP: for Smart LiftTemperature Monitoring Range: -9-99 °CHumidity Monitoring Range: 0%-99%RHBattery Type: 3xAA (not included)Size: Approx. 70x70x26mm/ 2.76x 2.76x 1.02inFitment:Can be installed on bedside tables, desks, offices, or hanging on the wall