Bakeey Real Time Smart Home CO2 Detector Monitor Indoor LCD Digital Temperature Air Quality Humidity Tester

Features 1 Large screen design clear and easy to see 2 Carbon dioxide 1s time real time refresh 3 High performance chip is accurate and more outstanding 4 Functions carbon dioxide detection hazard assessment temperature and humidity detection intelligent alarm system gas 5 recognition algorithm multiple anti interference air convection technology greenhouse compensation calibration 6 Application areas agricultural planting greenhouse vegetables production warehouse raws material processing home interior etc 7 Using more professional infrared optical principles to accurately and quickly detect carbon dioxide General ParametersNameCO2 DetectorColorWhite BlackWeight160g 5 6ounceCO2 measurement range400 5000PPMAccuracy1PPMTemperature accuracy±0 3Humidity accuracy3 MaterialABS PVCPower supply 1 lithium battery 1200mAh included Package Included 1 CO2 Detector 1 USB Cable 1 User ManualHow to use One button start press the button for 3 seconds to turn on the machine and start testing no calibration is required Press the button for 3 seconds the machine shuts down