The MT182 is a Air Quality CO₂ Monitor detector with exquisite concise and efficient detector which is integrated with CO₂, temperature and humidity detection. The device has a high precision CO₂ sensor which can detect CO₂ accurately and sensitively. The MT182 not only displays the readings on a negative LCD display, but also has a colour bargraph indication to indicate the CO₂ grade level – Green is Good, Yellow is Normal and Red is Poor. The unit has a 1000mAh high capacity rechargeable lithium battery and a battery icon indicating the battery status. The operation of the unit is simple and very convenient to carry, especially to check the air quality from time to time in various areas.