The device that is used to detect carbon dioxide in the surroundings is known as Carbon Dioxide (CO2) Detector which operates by the use of battery power. This device is very portable and easy to use. This instrument uses infrared technology and makes the user assured about the proper detection of carbon dioxide mixed in the surrounding. It not only measures the carbon dioxide but temperature and humidity can also be measured. The carbon dioxide detectors generally have a battery life of 24 hours. A quick view of current carbon dioxide level is shown by the LCD readout and alarms are delivered when the limit of carbon dioxide mixture exceeds the safety line.