5 in 1 CO2 Meter Digital Temperature Humidity Sensor Tester (Black)

Intelligent color screen display clear numbers easy to identify and read. In the alarm mode the user is prompted to pay attention to the environment by changing the color. It can monitor and display the concentration of carbon dioxide per cubic meter in real time. It can detect and display the temperature and humidity of the environment to help users understand the environment. It is suitable for offices homes gymnasiums and other occasions with a wide range of applications. It can be charged by USB charging for 4 hours can be used for 7 hours. It is small and portable easy to carry does not take up too much space and can be installed at home. CO measurement range: 400-6000ppm error: +/- 50 +/- 5%ppm Temperature measurement range: -10~50℃ Error: +/- 1℃ Humidity measurement range: 0-99%RH error: +/- 2% Charging voltage: 5V Working voltage: 3.7V Charging current: 500mA Working current: 160mA : 0.4W Battery capacity: 1500mAh Bare machine size: 89 x 70 x 35mm Weight: 155g Colour: black Material: ABS Package Contents: 1 * CO2 detector 1 * USB cord 1 * English manual Only the above package content other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.