LED Air Purifier Portable USB Powered Air Cleaner for Car Living Room Kitchen Bathroom tem Type: Air Purifier Material: ABS+Electronic Components Weight: Approx. 231g / 8.1oz Height: Approx. 15.5cm / 6.1in Diameter: Approx. 7.5cm / 3.0in Power Supply Mode: Type C Input Voltage: DC5V-12V Working Current: 350MA How e: 1. Plug in the Type-C cable, touch the power button to turn on, the RGB light will gradually change after turning on, the germicidal lamp will also turn on, the air sensor needs to be warmed up for 3 minutes, and the current air quality will be automatically detected after 3 minutes. The green light means the air quality is good. The yellow light means the air quality is medium, the red light means the air quality is poor, touch it again to shut down; 2. When the power cord is turned on after shutdown, the machine will automatically turn on if the air quality is poor, and there is no need to wait for the 3-minute warm-up process; 3. In the purification process, the internal fan is used to keep the air circulating after the machine is turned on. The air passes through the filter cotton, adsorbing harmful particles on the filter cotton, and working the inside to obtain freshness air; 4. Applicable space of the product is about 10㎡.