Air Cube T SN-100T Home Air Quality Meter For Fine-Dust Temperature Humidity (T Type(Silver)) Air cube T For Infants and elderly homes, Institutions Disease, Skin allergy sufferers, Company, School and Office How to use : After installing the app, please register your device Bluetooth pairing the products and smartphones Air cube C For Infants and elderly homes, Institutions Disease, Skin allergy sufferers, Car driver, Students, and Meeting room Sensor specification Fine dust : 0~500ug/ , Temperature : 0~45C , Humidity : 5~95% , CO : 0~5000ppm (CO measurement is only supported in SN-100C model only, SN-100T model does not measure CO) , Made in Korea Power : DC 3.7V 600mAh , Operating time : 24 hours (may vary depending on the operating environment) , Charging time : 2 hours , Interface : Bluetooth 4.0 Low Energy , Dimensions : 52x52x52(mm) / 80g , Contents : Air cube, USB 5 Pin Cable, Manual(Korean)