Intelligent carbon dioxide value tester uses air semiconductor-sensor to monitor temperature and humidity of air quality.Adopts superior electrochemical detection module, with high accuracy, stable performance, can accurately detect carbon dioxide value.Strong anti-interference ability, low consumption and long service life.The product does not need calibration, it can be tested after booting, and it can accurately detect carbon dioxide.Different colors corresponding to different air quality, suitable for office, family, and other occasions.Hundreds of ventilation holes at the back of housing not only accelerate the convection between the air and the machine, thereby realizing effective detection, but also provide a fine heat dissipation effect.Widely applications: agricultural planting, greenhouse vegetables, production warehouse, material processing, home interior, etc.5in1: The large screen displays the power, CO2 value, TVOC value, HCHO value, temperature and humidity.Specifications:Name: Air Quality DetectorBattery: 1200mAhColour:blackMaterial:ABS Size:90 x 70 x 40mmPackage Contents:1 * Air Quality Detector1 * Usb CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.