Carbon Dioxide Monitor CO2 Controller | NDIR Sensor with Temperature & Humidity Display | Portable CO2 Detector for Home, Office, Car & OutdoorsSpecifications Place of Origin China Main Color Black Main Material ABS Dangerous Goods #dangerFlag# Dimensions & Weights Assembled Length (in.) 4. 13 Assembled Width (in.) 2. 68 Assembled Height (in.) 3. 54 Weight (lbs) 0. 23 Product Features Stable CO Detection: Keep indoor air quality under control with this CO2 monitor for home. Dual infrared sensors measure CO accurately between 400 and 5000ppm, while simultaneous temperature and humidity display