Features:
Built in sensors that can accurate detecting carbon dioxide, temperature & humidity in the air.
Large screen design, clear and easy to see.
CO2 detection ranging is from 400ppm to 5000ppm with 1ppm accuracy.
Easy to operate, just pressing the on/off button for 3s to turn on.
This easy-to-carry air detector can help monitor air quality at home.
Especially for family has baby, children and pregnant woman.

Specifications:
Material: ABS & PC
Input: DC5V
Sensor: infrared detection; TVOC sensor(optional)
Color: black; white(optional)
Detection range: 400-5000ppm
Measurement accuracy: 1ppm
Display: LEDs digital display + LCD screen + backlight
Battery: 3.7V/1200mAh lithium
Applicable temperature: 0 to 50
Item size: 90 * 70 * 35mm / 3.5 * 2.8 * 1.4in
Package weight: 195g / 6.9ounce
Package size: 138 * 95 * 47mm / 5.4 * 3.7 * 1.9in

Packing List:
1 * CO2 Meter
1 * USB Cable
1 * User Manual