Osdhezcn Indoor CO2 Meter Temperature & Relative Humidity Carbon Dioxide Detector

There are 9 types you can choose, brown 3 in 1, brown 4 in 1, brown 5 in 1 , orange 3 in , orange 4 in 1 , orange 5 in 1 , white 3 in 1 , white 4 in 1 and white 5 in 1, among them, 5 in 1 type can connect with for smart phones. Real-time monitoring and real-time display of carbon dioxide concentration per cubic meter. It can detect and display the temperature and humidity of the environment to help the user understand the environment. It is suitable for office, home, gym and other occasions, with a wide range of applications. Intelligent color screen display, clear numbers, easy to identify and read.