Description: Brand new and high quality, durable, unique design, long working life. Simple: the use of the car as long as the power cord into the socket, easy to apply. Low energy consumption: the use of a month's power consumption of not more than 2 degrees, can produce a good dust purification effect. Coverage area: an effective coverage area of about 15 square meters. Purification speed: the use of natural circulation for purification, purification quickly. Using excellent raw materials, the power consumption is lower. Specification: Material: Plastic Size: 43 x 25 x 20mm/1.69 x 0.98 x 0.79 inch Package Includes: 1 Piece Negative Ion Anion Generator