Product Features1. It dynamically displays wireless communication signals and signal strength. The monitoring device supports online upgrading, and the management software features intelligent IP locking. 2. Detection values are dynamically displayed on a 3.5-inch color LCD screen, and online upgrading is supported. 3. Alarm ranges can be set. Exceeding the range will trigger a buzzer alarm and a two-color light alarm: red light with alarm for unqualified status; green light for qualified status. 4. It visually and dynamically displays the size of dust particles per unit volume,...