Portable Digital Display PM2.5 Detector Laser Sensor Real-time Accurate Air Quality Monitor Tester Rechargeable Diagnost

Feature High precision laser sensing Real time feedback Easy to read Multiple page shows each different indices Small and portable suitable for all kinds of scenes such as home car office Specifications Name Laser PM2 5 DetectorColor BlackMaterial PC ABSDimension 742354mm 2 912 1 Sensor Laser PM2 5 sensorSampling method Fan inputPM2 5 messuring range 0 999PM2 5 accuracy 10 Resolution of PM diameter 0 3mResponse time Real time displayBattery type 500mAh Lithium batteryBattery life 180minCharging time DC 5VEffective using time 20000 hours Package include 1 x Laser PM2 5 Detector1 x User Manual1 x USB Cable