Description Technical Specifications Measuring particle mass PM 2.5, PM 0.3 Testing particles number 2.5 μg, 0.3 μg Sampling time 3 seconds Detection range 0 ug/m3 to 999 ug/m3 Input 5.0 V 1 A Battery capacity 2200 mAh polymer lithium battery Display mode LCD HD display Temperature detection range -4 ℉ to 140 ℉ (-20 ºC to 60 ºC) Humidity detection range 20% to 95% RH
