DM103B Temperature Humidity Dust PM2.5 Air Quality Detector Floppy Drives 40HQ: 1771 cartons * 4

40HQ: 1771 cartons * 4 pcs = 7084 pcs

Aluminum alloy armor for shock-absorption

Can control 5 cameras at the same time

43inch * 3

8GHz Cortex A710 x 2 + 2

DM103B Temperature Humidity Dust PM2.5 Air Quality Detector Floppy Drives 40HQ: 1771 cartons * 41. Material: ABS 2. Display mode: digital tube display 3. Atmospheric pressure: 86Kpa 106Kpa 4. Detection method of PM: laser scattering 5. Sampling time: 1. 5 seconds 6. Detection of PM2. 5: 0 999 ug cubic meter 7. Detection temperature: 10 to 50 degrees celsius 8. Relative humidity: 20 percent to 85 percent 9. Storage temperature: 10 degrees celsius to 60 degrees celsius 10. Power supply: 1000mAh lithium battery 11. Power supply: 5V DC power