Explore Scientific, WSH2001 Air Quality Monitor, Carbon Dioxide, Humidity, Temperature, White

Versatile Carbon Dioxide Monitor: This monitor provides accurate information about air quality in your home, office, car or greenhouse Intuitive colour indication: Displays CO2 levels in intuitive colours, indicating air quality Warning and monitoring: Alerts when CO2 levels exceed the threshold and tracks minimum and maximum values; also measures temperature and humidity, with high humidity alarm Portability and Compactness: Powered by the included USB cable, this compact device is easily carried anywhere Additional features: Backlight for night reading and a stylish design complete the package of this USB powered carbon dioxide monitor