Absorbs and removes unpleasant smells, pollen and allergens. This small air purifier also generates negative ions to support a comfortable space. The hybrid filter uses high performance dust collection and antibacterial activated carbon to record high particle removal rate even during testing institutions. In addition to being powered by a car cigar power supply, it can also be operated without a power supply thanks to the built-in solar panel and built-in battery. The bottle type purifier consumes 1 drink holder, and the included suction cup or double sided tape can be placed anywhere you want to use a window glass or dashboard, and it is small enough to not get in the way. (Product Specifications) Size: 7.1 x 3.9 x 1.4 inches (180 x 100 x 36 mm); Approx. 9.8 oz (255 g); External Power Supply: DC 5V/1A; Charging Battery Operation: Approx. 200 minutes on a full charge; Negative Ion Generation: Over 3.0 million cc; Accessories: Car cigarette lighter power, suction plates x 2, double-sided tape x 2, instruction manual (English language not guaranteed).