Feature:1. HIGH RESOLUTION SCREEN: Super clear brightness, can be adjusted automatically. Each indicator has a color indicator below the number, giving you a clear picture of indoor air quality, room temperature and humidity levels2. REAL TIME MONITORING DISPLAY: Real time display of carbon dioxide concentration per cubic meter, flashing light shows the class of the range3. SMART WIFI DEVICES: Mobile APP is supported. You can remotely monitor five indicators in the mobile APP. You can also view or export historical data of the last 24 hours and 30 days4. UPGRADABLE AND OPTIMIZABLE: Intelligent operating system with support for firmware upgrades to achieve new features and optimizations5. WIDE APPLICABLE: Widely used in agricultural planting, greenhouse planting, production warehouse, material processing laboratory, family and so onSpecification:Item Type: CO2 DetectorMaterial: ABSBattery: 3.7V lithium battery 1200mAhApplication: Widely used in agricultural planting, greenhouse planting, production warehouse, material processing laboratory, family and so onBasic Parameters: CO2 Detection Range: 400~5000PPMCO2 Detection Accuracy: 5PPMTVOC Detection Range: 0~2PPMTemperature Detection Range: 0~50Temperature Detection Accuracy: 1Humidity Detection Range: 0% to 99%RHHumidity Detection Accuracy: 2%RH.Package List:1 x Carbon Dioxide Detector1 x USB Data Cable1 x User ManualNote:This product cannot measure formaldehyde.