1MULTIFUNCTION: 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 users understand the environment. 2WIDE APPLICATIONS: It is suitable for offices, homes, gymnasiums and other occasion, with a wide range of applications. 3DIGITAL DISPLAY SCREEN: Intelligent color screen display, large screen, clear numbers, monitoring data at a glance, easy to identify and read. 4SUPPORT ALARM MODE: In the alarm mode, the user is prompted to pay attention to the environment by changing the color, which is very practical. 5PORTABLE: Small size, easy to carry, does not take up too much space, can be installed at home, USB charging design, it can be placed anywhere. Item Type: Air Quality Detector Material: ABS Color: As shown in the picture Weight: Approx. 287g / 10.1oz Voltage: 5V Current: 500mA Power: 0.7W CO2 Detection Range: 400-6000PP, 50 5%PPM CO2 Detection Accuracy: 1PPM TVOC Detection Range: 0-2.0mg/m HCHO Detection Range: 0-0.6mg/m Temperature Detection Range: -10-50 Temperature Detection Accuracy: 1 Humidity Detection Range: 0%-99%RH Humidity Detection Accuracy: 2%RH Battery: Polymer lithium battery 1500mAh (included) 1 x Air Quality Detector 1 x Bracket 2 x Iron Sheet 2 x Double Sided Tape 1 x Manual 1 x USB Power Cord