Features:
3 in 1 air quality monitor, accurately detect the level of CO2, Temperature and Humidity.
Adopted high precision infrared sensor and high-performance chip, providing fast and reliable detection.
Easy to check the real-time data on the colorful LED display with large digits, fast capturing the results.
4 flashing indicator levels demonstrate different CO2 concentration, the alarm will be given out when value exceeding 1000PPM.
Built-in 2000mAh large capacity lithium battery, get rid of cable annoyance, flexible to use and charge.
Palm size with lightweight, perfect for home, school, office, hotel, warehouse and other environments.

Specifications:
Material: ABS
Color: Black
Voltage: DC5V
Screen: Color LED Display
CO2 Detection Method: Infrared (NDIR)
CO2 Detector Range: 400-5000PPM
Real Time Reading: 1S
Alarm Sound: 1000PPM
CO2 Indicator:
0-999PPM: Green Light Flash
1000-1999PPM: Yellow Light Flash
2000-2999PPM: Orange Light Flash
3000-3999PPM: Red Light Flash
Above 4000PPM: 4 Lights Flash
Battery: 1 * 3.7V Lithium Battery
Item Size: 137 * 80 * 35mm / 5.4 * 3.1 * 1.4in
Item Weight: 165g / 5.8oz

Package List:
1 * Carbon Dioxide Detector
1 * USB Cable
1 * Manual