The plug-in power supply is used, and the device can be turned on or off by one button, with a working indicatorWhenever working for 2 hours, the equipment will automatically stop for 20 minutes, and then automatically continue to work without any noiseIntelligent chip processing, release 20 million negative ions, deal with peculiar smell and air impurities, and work continuously to achieve the effect of purifying the airNo need to replace any filter element, the device will automatically decompose and remove impurities, saving you excess consumption.Suitable for living room, kitchen, bedroom, children's room, bathroom, pet room, garage, basement, officeIt cannot be disassembled and cleaned. You can only wipe the surface of the equipment to achieve cleanliness. The equipment works more and only benefits human health, and will not harm your health.Specifications:Power supply: ACControl method: push-buttonApplication area: 41 (inclusive)-60 (inclusive)Plug Type: US Plug,it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on.Colour:blackMaterial:ABSSize:11.3 x 4cmPackage Contents:2 * Anion air purifierOnly the above package content, other products are not included.Note: Light shooting 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.