1. Function: formaldehyde/chemical pollutants/carbon dioxide/air quality detection
2. Detection technology: natural air flow detection technology
3. Display mode: LED digital display + light indication
4. Error fluctuation: 3%-30%
5. Specification: 68mm X 70mm X 40mm
6. Working voltage: 5V
7. Power-on warm-up: 120 seconds
8. Battery capacity: 1000 mA
9. Charging time: about 4 hours
10. Standby time: about 240-360 minutes
11. Net weight: about 90 grams
