SincereetaliThis is a kind of quality air quality detector, which uses high-precision semiconductor sensors, with stable working performance. Large digital screen, 3-in-1 design, you can clearly see the carbon dioxide concentration, real-time temperature and humidity data. Wide applications: agricultural planting, greenhouse vegetables, production warehouse, material processing, home interior, etc. You can have a try. Features: Uses high-precision semiconductor sensors, with stable working performance, can accurately detect the carbon dioxide value. Adopts air convection design, which can provide more accurate detection results, and the detection ranges are from 400ppm to 5000ppm. Large LCD screen, 3-in-1 design, you can clearly see the carbon dioxide concentration, real-time temperature and humidity data. 4-color color circle design, different font colors display different air quality, green 0-799ppm, light green 800-1199ppm, orange 1200-1599ppm, red 1600-1999ppm, 2000ppm above four colors flash at the same time. Strong anti-interference ability, low consumption and long service life. The product does not need calibration, it can be tested after startup, and it can accurately detect carbon dioxide. Hundreds of ventilation holes reserved on the housing not only accelerate the convection between air and the machine, thereby achieving effective detection, but also provide a fine heat dissipation effect. Widely applications: agricultural planting, greenhouse vegetables, production warehouse, material processing, home interior, etc. 1200mAh large capacity battery for long working time, Type-C charging interface, easy charging. Specifications: Name: Air Quality Analyzer Color: Black, White (optional) Display: LCD + Backlight Battery: 1 * 3.7V, 1200mAh Battery (included) CO2 Measuring Ranges: 400-5000ppm Resolution: 1?ppm Temperature Measuring Ranges: 0-50 Resolution: 1 Humidity Measuring Ranges: 0-99RH Resolution: 5?% RH Working Temperature: 0-70 Input Voltage: 5?V Charging Interface: Type-C Item Size: 90 * 70 * 35mm / 3.5 * 2.8 * 1.4in Item Weight: 117?g / 4.1?ounce Package Size: 140 * 125 * 41mm / 5.5 * 4.9 * 1.6in Package Weight: 173g / 6.1ounces Package List: 1 * Air Quality Analyzer 1 * Type-C Cable 1 * User Manual SincereetaliFeatures: