This CO2 detector is small and portable, can clearly display the temperature and humidity of the environment, suitable for office, home, gym and other use scenarios.Features:Real-time monitoring and real-time display of carbon dioxide concentration per cubic meter.It can detect and display the temperature and humidity of the environment to help users understand the environment.It is suitable for office, family, gym and other occasions, with a wide ranges of applications.Intelligent color screen display, the number is clear, easy to identify and read.With alarm mode, through color change, users are prompted to pay attention to the environment.It has long service life and can be charged with USB cable.Small and portable, easy to carry, does not take up too much space, can be installed in the home.Specifications:Material: ABSMeasurement accuracy: 10ppmMeasuring ranges: 400-5000Working voltage: 3.7VCurrent: 1200mAPower: 0.8WBattery: 3.7V, 1500mAhItem size: 89 * 70 * 35mm / 3.5 * 2.8 * 1.4inItem weight: 150g / 5.3ouncePackage size: 141 * 98 * 48mm / 5.6 * 3.9 * 1.9inPackage weight: 250g / 8.8ouncePacking List:1 * CO2 Detector1 * USB Cable1 * Manual