DM502 Formaldehyde TVOC Detector PM2.5 Dust Tester

1. 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 supply: 5V DC power charging via USB port
12. User adjustable formaldehyde (HCHO) alarm threshold to alert user to elevated
13. Onboard fan draws ambient air for more accurate real-time results
14. With low battery warning
15. Combined with multiple air sensors and a built-in fan, it can monitor real-time detectable formaldehyde (HCHO), total volatile organic compounds (TVOC), particulate matter < 2.5 microns in size (PM2.5/1.0/10), temperature and humidity, with clock and recording function
16. Dimensions: 155x87x35mm
17. Weight: about 280 grams

Packing list:
- Detector x 1
- USB cable x 1
- Manual x 1