1. CO2 detection range: 400-6000PPM
2. CO2 detection sensitivity: 1PPM
3. Detection range: 0-2PPM
4. Temperature measurement range: 0~60 degrees Celsius
5. Temperature measurement accuracy: +/-1 degrees Celsius
6. Humidity measurement range: 0%~99%RH
7. Humidity measurement accuracy: +/-2%RH
8. Charging method: DC5V 500mA micro USB interface
9. Battery: Built-in lithium battery 1200mAh
10. Size: 9 x 7 x 4cm/3.54 x 2.75 x 1.18inch
11. Screen: about 2.75 inches
12. Net weight: about 175g

feature:
1. Five in one: It can be used as carbon dioxide concentration detection, thermometer and hygrometer at the same time.
2. Built-in 1200mha lithium battery, fully charged can stand by for about 6-8 hours
3. Color screen: display current CO2 data, temperature and humidity data. The color ring changes according to the CO2 content.
4. Simple operation: long press the "on-off" button for 3 seconds to turn on and off. It will automatically detect CO2.
5. Small and portable: it can be placed in the kitchen, living room, bedroom, or taken out.

The package includes:
1 x Carbon dioxide meter
1 x USB charging cable
1 x Manual