1. Provides accurate information about the indoor air quality of home, office or greenhouse

2. Large readout of Time, CO2, Month-Date / Temperature-RH%

3. Mirror coated lens

4. Measure CO2 : 0~5,000 ppm - Temperature : 0℃-50℃ - RH% : 20-95%

5. Different CO2 colour icons to show the CO2 levels (Green, Lime, Yellow, Red)

6. NDIR (non-dispersive infrared) gas sensor (single beam)

7. CO2 monitor on a large high-resolution display

8. Self-adjustable display brightness by light sensor

9. Continuously measures carbon dioxide, temperature and relative humidity

10. Self-calibratioin

11. Switchable display of large Time / CO2

12. Programmable alert reminder on low / high CO2 levels and RH% levels

13. Audible alarm for high CO2 alert

14. Temperature-RH% / Month-Date display

15. Manual calibration of CO2

16. NDIR lift time : minimum 5 years

17. Built-in ROM memory to keep settings and last memory

18. Wall-Mounting or desktop (with foldable back stand)

19. Power by external AC / DC adaptor

20. Battery backup by 2 x AA batteries (for time keeping)

21. Product size : 158 H x 370 W x 40 D mm

22. Display : 130 H x 340 W mm

23. Large digit : 107 mm height