1. Temperature and humidity monitoring: It can accurately monitor indoor temperature and humidity in real time to help you understand environmental changes. 2. 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. 3. Intelligent automation: Link with smart devices such as smart thermostats, smart air conditioners or smart lighting to achieve intelligent automation. 4. Light detection: Accurately measure light intensity and automatically adjust indoor lighting. 5. 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. Specifications: Light range: 0-3000lux Temperature range: -10-60℃ Humidity range: 0-100% Use environment: -20-70℃ Working power consumption: 0.0010-0.0027w Working voltage: 2.5-5.2V Supported platform: /Tuya Smart Detection component: photodiode Communication protocol: ZigBee Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:White Material:PC Package Contents: 1 * Temperature and humidity sensor 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.