Plantower® Household PM2.5 Laser Indoor Air Quality Detector Professional Gas Detection Portable Mini Tester

Feature Product Name PM2 5 Laser TesterMeasuring principle Principle of laser scatteringPM2 5 measurement range 0 999ug mAccuracy ug mResponse time 5 secondsBattery capacity 500 mAhStandby time 6 monthsContinuous working hours 4 hoursDimensions 55 x 55 x 20mmHost weight 66gInstructions Press the power button for three seconds to enter the normal detection mode If the time exceeds 5 minutes it will automatically shut down Double click the power button to enter the S super mode and continue to detect for about 4 hours Package includes 1 x PM2 5 Laser Tester1 x Cable