We all know that air is an indispensable part of our lives. air quality affects our body and mind, but air is colorless and tasteless, we cannot measure it with our eyes.At this time we need an air tester to help monitor the air quality.Size and easy to carry1200mah large capacity battery for a long time working time type-c charging interface easy chargingEasy to useThe ventilation holes at the rear not only accelerate the convection between the air and the machine to achieve effective detection, but also provide a fine heat dissipation effect. The product does not need calibration boot can be tested for accurate detection of carbon dioxide used in greenhouses.ApplicationWidely used and practical for epidemic prevention, and control to detect the concentration of co2 in the population, in order to control the number of people and avoid the risk of cross-infection. Or family of agricultural production warehouse laboratories, etc.Instrument basic parameters: Applicable temperature: 1-70CDisplay mode: LED digital display + LCD screen + backlightDetection range: 400-5000ppmProduct Specifications: 68mmx70mmx40mmWorking voltage: 5VSensor: Infrared sensorBattery capacity: 1200HMA, with power indicatorCharging interface: TYPE-C 5VProduct size: 90*70*35mmProduct net weight: 106gProduct gross weight: about 125 gramsCoz indication: 0~799ppm: green flash800~1199ppm: yellow flash1200~1599ppm: orange flash1600~1999 ppm red flashFour color flashes above 1999 ppmProduct packing list: 1 product host, 1 charging cable, instruction manual, warranty card, 1 certificate of conformityDelivery Quantity: 1pieceNote: Manual measurement, there may be 1-2cm/1-3g error, which is not a quality problem. Due to different screen displays, there may be a color difference between the real object and the picture, and the main picture shall prevail .