Meco Pml-116 Pm2.5 Particle Detector Home Indoor Haze Dust Air Quality Analyzer Meter Tester

Features: PM2.5 particle detector. Import SHARP sensor. Gold plating + SMTH process. Low power consumption + fast response. Specifications: Detection principle: light scattering Measurement accuracy: 1ug / M3 Measuring range: 0-999ug / M3 Display: LCD Power supply: 9V square battery(NOT included) Volume: 70 x 120 x 22mm Instruction: 1. Boot: long press the power key for about 3 seconds to display 888, release the hand to boot, run after 1 minute can be read in seconds to update the instantaneous data. 2. Shutdown: short press the power key to display OFF, release the hand that is turned off, 20 minutes will automatically shut down. 3. Before and after the detection hole can not be blocked, must be placed vertically. 4. Replace the battery when displaying the "battery" symbol (6F22 type 9V battery). Package Included: 1 x PM2.5 Detector Detail Pictures: Features: PM2.5 particle detector Import SHARP sensor Gold plating + SMTH process Low power consumption + fast response