Features: 2 in 1 deodorant,ozone particle hepa double purification,no secondary pollution 360°global purification:it can effectively purify the harmful gases in the air of the vehicle, rapidly decompose formaldehyde,smoke,benzene and other harmful gases, and does not produce secondary air pollution. Regarding the soalr plate charge: the solar plate charging about 100-120ma every hour depend on the intensity of sunlight, and full charge about 12 hours Compared with usb charging,it take more time and weak,it's use for assistance charging normally and and main charge are usb.please charging via the usb if out of power Specification: Reactive oxygen species:500000 Negative ion concentration :5000000 Recommended area :10 (㎡) Voltage:DC5V Power:5W Size:15.5cm/6.10inch x 4.5cm/1.77inch; Material:ABS+Electronic components Color:Black Package Included: 1 x USB Solar Car Air Purifier or 2Pcs x Filter NO Retail Box. Packed Safely in Bubble Bag.