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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
Charging mode: USB
Onboard audio jack and audio decoder
mobile hard drive and SD card
public security system and road safety management
ID photocopying mode
Formaldehyde TVOC Detector PM2.5 Dust Tester, DM502 % Home & Garden Charging mode: USB1. Material: ABS 2. Display mode: 2. 8 inch LCD screen display, 320x240 pixels 3. Atmospheric pressure: 86Kpa 106Kpa 4. Detection method of PM: laser scattering 5. Sampling time: 1. 5 seconds 6. Detection temperature: 10 to 50 degrees celsius 7. Relative humidity: 20 percent to 85 percent 8. Storage temperature: 10 degrees celsius to 60 degrees celsius 9. Concentration unit of HCHO and TVOC: mg m3 10. Power supply: 1500mAh lithium battery 11. Power