GM8802 - Carbon Dioxide Meter (CO2)

Features:

Handheld Carbon Dioxide Detector Portable Precise CO₂ Meter Gas Meter. Detection of gas: carbon dioxide in the air.

Large LCD backlight display for easier reading
The small and light weight CO2 detector is easy to carry
This CO2 meter is low power consumption
Date, time and sound-light alarm setting
Low battery indication
Temperature unit switch
MAX and MIN readings and data hold function
Applies in various industrial environments and special environment

This device is CE certified, so you know you are getting a quality product.

Specifications:

Detection of gas: CO_² carbon dioxide in the air 
Measuring range: 0-2000ppm
Resolution: 1ppm
Minimum reading: 1ppm
The basic error: ± 50ppm or ± 3%
Response time:10 seconds
Sensor Type: NDIR CO2 gas sensor
Charging function: √
Buzzer alarm limit settings: √
Maximum, minimum inversion and data retention: √
Low power indicator: √
LCD backlight display: √
Work environment: 0-50. C.32-122. F: 10-90% RH
Preservation of the environment: -10 ~ 80. C, -14 ~ 176. F; 10 ~ 75% RH
Dimensions: 91.5 * 64.8 * 135mm
Weight: 156.5g