Designed with 32-bit high-performance MCU, it has good stability, accurate and reliable control, and types of monitoring air index. Remote monitoring and control can be realized by adopting RS485 wired communication and integrating wireless communication modes such as WiFi and Bluetooth. The configuration software is easy to understand, and the communication address and baud rate can be changed by simple setting. It is used to monitor the ambient air quality in hospitals, schools, hotels, airports, subways, office buildings, villas, homes and other occasions. Temperature and humidity detection Air quality detection real-time monitoring Color:White Material:Plastic Package Contents: 1 * Air Detector 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.