The plug-in supply is used, and the device can be turned on or off by one button, with a working indicator.Intelligent chip processing, release 35 million negative ions, deal with peculiar smell and impurities, and work continuously to achieve the effect of purifying the .No need to replace any filter elements, the device will automatically decompose and remove impurities, saving you excess consumption.Suitable for living room, kitchen, bedroom, children's room, bathroom, , garage, basement, office.It cannot be disassembled and cleaned. You can only wipe the surface of the equipment to achieve cleanliness. The equipment works more and only advantage human health, and will not harm your health.Our sleek design is built to look great in any room of your home but also small and easy to pack in your bag for you trip.Plug Type: Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on.Colour: blackMaterial: ABSSize: 50x40x100mmPackage Contents:1 * PurifierOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.