We all know that air is an indispensable part of our lives. The quality of air is affecting our body and mind, but the air is colorless and tasteless, we can't measure it with the eyes. At this time, we need an air tester to help to monitor the air quality.

Features:
Auto calibration and manual calibration.
CO2/RH/temperature monitor tracer.
Audible and visible alarm.
Chart with variable time zoom levels.
Can be powered by battery(not included), the air quality monitor makes it easy to take measurements from one room to another in order to get an overview of the air quality in a home, workplace, school, a daycare centre or any other location.
The air quality monitor is also an essential tool to use when performing property inspections or when using any household tools to see if there is any abnormal amount of toxin release.
The measurement is displayed on a high definition screen, small and light design for easy carrying.
Widely be used in home, office, enterprise, government, school and car, etc.
Detect and monitor air problems at any time to ensure the safe of family members or employees.

Specifications:
Type: white without battery, black without battery, white with battery (optional)
Battery: 3.7V, 1800mAh
Material: plastics
CO2 measuring range: 0-5000ppm
Temperature measuring range: 32°F to 195°F (0°C to 90°C)
RH measuring range: 5-95%
Item size: 120 * 90 * 34mm / 4.7 * 3.5 * 1.3in
Item weight: 170g / 6.0ounce
Package size: 150 * 100 * 80mm / 5.9 * 3.9 * 3.1in
Package weight: 300g / 10.6ounce

Packing List:
1 * Air Detector
1 * USB Cable
1 * User Manual