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 , 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.Hundreds of ventilation holes at the back of housing not only accelerate the convection between the air and the machine, thereby realizing effective detection, also a fine heat dissipation effect.Widely applications: agricultural planting, greenhouse vegetables, production warehouse, material processing, , etc.Specifications:Name: Air Quality DetectorColour:B WhiteMaterial:plasticPackage Contents:1 * Carbon Dioxide Detector1 * USB Cable1 * English manualOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.