1、The CO2 detector can detect and display the temperature and humidity of the environment to help you understand the environmental conditions. 2、This electronic detector is equipped with an intelligent color screen, the digital display is clear, and it is easy to identify and read. 3、In the alarm mode, the air quality will remind the user to pay attention to the environment through the change of color. 4、It is very compact, which can save you storage space, is easy to carry, and can be easily installed. 5、Suitable for use in a variety of environments, such as indoor, outdoor, office, and other environments. 1 x Carbon Dioxide Monitor1 x Data Cable1 x Manual Item Type: Carbon Dioxide MonitorMaterial: ABSMeasurement Accuracy: 10ppmMeasuring Range: 400-5000 WorkInput Voltage / Current: DC 5V / 1ABattery Type: Lithium BatteryBattery: 1500mAh ( Built-in)