Feature:1. With TVOC sensor, it can detect TVOC in the environment and better understand the environment.2. Real-time monitoring and real-time display of carbon dioxide concentration per cubic meter.3. It can detect and display the temperature and humidity of the environment to help users understand the environment.4. It is suitable for office, family, gym and other occasions, with a wide ranges of applications.5. Intelligent color screen display, the number is clear, easy to identify and read.6. With alarm mode, through color change, users are prompted to pay attention to the environment.7. It has long service life and can be charged with USB cable.8. Small and portable, easy to carry, does not take up too much space, can be installed in the home.Specification:This detector is small and portable, can clearly display HCHO and CO2 concentration, the temperature and humidity of the environment, suitable for office, home, gym and other use scenarios.Features:With TVOC sensor, it can detect TVOC in the environment and better understand the environment.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: plasticsColor: black, white (optional)Display method: 2.8”LCD screen display, 240 * 320 pixelsDetection ranges: CO2 (0~6000 ppm)Sampling times: 1.5 secondsDetection temperature: -10°C to 70°CRelativehumidity: 10% ~ 99%Storage temperature: -10°C to 60°CConcentration unit for HCHO and TVOC: mg/m³Working voltage: 7VCurrent: 120mAPower: 0.4WBattery: 3.7V, 1500mAhItem size: 88 * 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 * Detector1 * USB Cable1 * ManualPackage List:1 * Detector1 * USB Cable1 * Manual