... Air Purifier when the air quality level back to green (good air) grade, delay the work of 5 minutes, shut down automa Car Solar Air ... comfortable, and effective protection for your health. 2: LCD liquid crystal display temperature, humidity, air quality levels, three backlight ... sets of power supply system conversion. 4: activated carbon, ion, Photocatalyst, ULPA filter, ions Five purification; (1) ...