In order to help our customers view the real-time PM2.5 readings, Elitech launched its first air quality monitor with data and time. For every family office and labs, I believe that the clock is necessary. With Temtop P20, you can see the PM2.5 real-time readings, Temperature, Humidity, time and data at the same time. It can be hung on the wall so that you can see it at any time. For PM2.5 readings, you also can see the changes in...