Feature:1. Accurate Display: The sensor module of CO2 detector has high accuracy , good stability and anti interference, and accurately displays CO2 concentration. Humidity display and three measurement modes.2. Realtime Detection: The carbon dioxide detector can do realtime detection, with a built in high performance chip, and uses monitoring technology to report the number of air changes.3. LCD Monitor: The air quality detector has an easy to read LCD monitor that displays data while color coding.4. Adjust Brightness: Touch the left and right buttons on the power switch to adjust the brightness of the screen according to the position.5. Compact Design and Versatility: The air quality detector has a compact design for tabletop placement and wall mounting, low power consumption, and is widely used in agricultural farming, greenhouse farming, etc.Specification:Item Type: Air Quality MonitorMaterial: ABSBattery: 18650 Lithium Ion Battery 1200mAh (Built In)Uses: Widely used in agricultural cultivation, greenhouse cultivation, production warehouses, laboratories, families, etc.Basic Parameters.CO2 Detection Range: 400 to 5000PPMCO2 Detection Accuracy: 1PPMHCHO Detection Range: 0 to 0.6mg/TVOC Detection Range: 0 to 2.0ppmTemperature Detection Range: 0 to 50Temperature Detection Accuracy: 1Humidity Detection Range: 0% to 99%RHHumidity Detection Accuracy: 2%RH.Package List:1 x Detector1 x Charging Cable(Random Color)1 x Manual