Features: 1The product can monitor and display the concentration of carbon dioxide per cubic meter in real time, and can be detected and displayed the temperature and humidity of the environment. 2With intelligent color screen display, clear numbers, easy to identify and read, with a wide range of applications. 3Made of high?quality ABS material. In the alarm mode, the user is prompted to pay attention to the environment by changing the color. 4Small and portable, you can take it anywhere without taking up too much space, and it can also be installed at home. 5Can be widely applied to various situations such as office, home, agricultural planting, greenhouse vegetables, production warehouses, etc. Package included: 1 x Air&nbspQuality&nbspDetector (Battery Included) 1 x USB Data Cable 1 x Manual