HKM-076883 GM8803 PM2.5 and PM10 Air Quality Multi-Sensor Monitor with LCD Display and Buzzer AlarmDiscover the BENETECH GM8803 PM2. 5 and PM10 Air Quality Multi Sensor Monitor, a vital tool for anyone concerned about the air they breathe. Engineered to accurately measure particle concentrations in the air, this monitor provides essential data that keeps you informed about your environment. This device boasts a measurement range of 0 to 5000 m m, with a remarkable resolution of 1 m m, ensuring precise readings every time. With a rapid response time