Features: The compact body design, simple and fashionable appearance, you can put into your pocket and use wherever you want.With desktop stand Room use is possible, too.1.9inch clear definition color display, 240 x 280 resolution, the HCHO, TVOC, CO2, temperature and humidity are more intuitive and convenient to read.Equipped with high-precise semiconductor sensors, accurately identify and capture different pollutants in the gases, real-time HCHO, TVOC, CO2 gases concentration is more accurate.Adopts superior temperature and humidity sensors, with fine interference resistance ability, to ensures the accuracy of each indicator measurement, with stable working percompatible withmance, and low power consumption.Built in high-sensitive intelligent chip compatible with quickly air quality detection to more accurate instrument detection.Specifications: Name: Air Quality DetectorNote: With standBattery: 1 x 700mAh built-in battery (included)Display: 1.9inch color displayWorking voltage: 3.7V time: 35sData refresh rate: 2sDetection ranges: 0-9.999mg/mOperation humidity: 0-95%RHWorking temperature: -10 to 50Charging mode: Type-C interfacesize: 50.6 x 85 x 17mmMaterial: ABScolour: blackPackage Contents: 1 x Air Quality Detector1 x USB cable1 x Lanyard1 x English ManualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.