Temperature and humidity monitoring: can accurately monitor indoor temperature and humidity in real time, helping you understand environmental changes. Light detection: accurately measure light intensity and automatically adjust indoor lighting. Remote monitoring: no matter where you are, you can remotely monitor indoor temperature and humidity through your mobile phone to the comfort of your home or office. Intelligent automation: linked with smart devices such as smart thermostat, smart air conditioner or smart lighting to achieve intelligent automation. Dual power supply mode: supports USB power supply or battery power supply, and the battery life can reach up to two years when using batteries. Light range:0-3000lux Temperature range: -10-60 Humidity range: 0-100percent Use environment: -20-70 Working power consumption: 0.0010-0.0027w Working voltage: 2.5-5.2V Supported platform: for or Tuya Smart Detection component: Photodiode Communication protocol: ZigBee Colour:White Material:PVC Package Contents: 1 x Only 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.