Feature 1The carbon dioxide detector monitors and displays the concentration of carbon dioxide per cubic meter in real time. 2It has a wide range of applications and can be used in offices, homes, gymnasiums and other places. 3This portable air quality detector supports smart color screen display, clear numbers, easy to identify and read. 4It can detect and display the temperature and humidity of the environment to help users understand the environment in time. 5CO2 detection range is 4006000PPM; TVOC detection range is 02.0mg/m, HCHO detection range is 00.6mg/m.Item Type: Air Quality DetectorMaterial: ABSSize: Approx. 9x7x3.5cm / 3.5x2.8x1.4in Weight: Approx. 168g/5.9ozCurrent: 500mABattery: A Polymer Lithium Battery 18650 3.7V 1500mAh (Not Included)CO2 Detection Range: 400-6000PPMCO2 Detection Accuracy: 1PPMTVOC Detection Range: 0-2.0mg/mHCHO Detection Range: 0-0.6mg/mTemperature Measurement Range: -10-50Temperature Measurement Accuracy: 2Humidity Detection Range: 0%-99%RHHumidity Detection Accuracy: 3%RHWith Bluetooth FunctionPackage List1 x Air Detector1 x Manual1 x USB Data Cable