1. Material: ABS 2. Display mode: 4.3-inch LCD display, 320 x 240 pixels 3. Atmospheric pressure: 86Kpa - 106Kpa 4. PM Detection Method: Laser Scattering 5. Sampling time: 1.5 seconds 6. Detection temperature: -10 degrees celsius to 50 degrees celsius 7. Relative humidity: 20 percent to 85 percent 8. Storage temperature: -10 degrees celsius to 60 degrees celsius 9. HCHO and TVOC concentration unit: mg/m3 10. Power supply: 3000mAh lithium battery; 5V DC power charging via USB port 11. Multifunctional air quality detector, which can detect formaldehyde (HCHO), total volatile organic compounds (TVOC), particles less than 2.5 microns in size (PM2.5/1.0/10), temperature and humidity, with clock and record Features 12. Product weight: about 530 grams 13. Dimensions: 131x78x67.5mm
