Specifications:

1. CO2 Measure Range: 0~9999PPM

2. Accuracy: ±70ppm ± 3% readings (0~5000)

3. Resolution: 1PPM

4. Temperature test range: -10~70°C (14-158°F)

5. Resolution: 0.1°C/°F

6. Temperature Accuracy: ±0.3°C (10~55°C)

7. Humidity test range: 0%RH~99.9%RH, Resolution: 0.1%RH

8. Accuracy: ±3% (10~90%)

9. Record storage: 12700

10. Respone time: 1 second

11. Record mode: manual and immediate measurement

12. Power supply: 3.7V lithium battery

13. Adapter Input:100-240V, 50/60Hz, 0.4A; Adapter Output: 1000mA