specification: Display method: 4.3” LCD screen display, 480X270 pixels Atmospheric pressure: 86Kpa - 106Kpa Detection method for CO2: Infrared ( NDIR ) Detection method for PM: Lasers Scattering Sampling time: 1.5 seconds Product Size: 145 x 78 x 97.2mm Detection temperature: -10°C to 50°C; Relative humidity: 20% - 85% Storage temperature: -10°C to 60°C; Concentration unit for CO2: PPM Concentration unit for PM: ug/m3 Concentration unit for HCHO and TVOC: mg/m3 Power source: Lithium battery with 3000 mAh capacity; 5V DC power charging via micro USB port Product weight: 235g Detection data range: AQI(0-500) PM2.5 (0-999 ug/M³) CO2 ( 0-5000 ppm) HCHO(0.001-1.999Mg/M³) TVOC(0.001-9.999Mg/M³)
Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
Package includes: 1 x Air Quality Detector 1 x Manual 1 x USB Cable