Air quality is vital to our health, so you need an air quality monitor to improve your quality of life. You won't be disappointed with this product that detects carbon dioxide, temperature and humidity for you. feature: 2.8LCD screen display, 240*320 pixels, easy to read. Air quality monitors can detect temperature and humidity, CO2, and you can see the data you care about. With intelligent alarm system, gas identification algorithm, multiple anti-jamming, air convection technology and greenhouse compensation calibration. Start the device in 3 seconds, and it only takes 1-2 minutes to stabilize the value. This air quality meter is compact and easy to carry. Widely used in agricultural planting, greenhouse vegetables, production warehouses, raw material processing, etc. Specification: Material: ABSColor: black, white (optional) CO2 detection range: 400-5000PPMCO2 detection sensitivity: 1PPMTemperature measurement range: -10~70Humidity measurement range: 10%~99%RH humidity measurement accuracy: 2%RH charging mode: D C5V 500mA microUSB interface battery: 1200mAhPacking size: about 155*105*65mm/ 6.1 * 4.1 * 2.6 inPackage Weight: Approx. 260g/9. 2ozPacking List: 1*Air Quality Detector 1*USB Data Cable 1*User Manual