1. In-line negative ion air purifier, effectively purify indoor air2. Release 200 million negative ions, 360 all-round purification, remove odor, PM2.5, second-hand smoke, formaldehyde, bacteria, etc.3. Two modes, negative ion intermittent mode and continuous mode, scientific ratio to purify the air4. Suitable for bedrooms, dining rooms, living rooms, bathrooms, offices, etc., to improve air quality anytime, anywhere5. Especially suitable for children, the elderly, pregnant women and those who are allergic to pollen and odorSpecification:Product Name: In-Line Air PurifierModel: KY600ANegative ion concentration: 200 million/cmRated voltage: 90V-250VRated frequency: 50/60HzRated power: 1WControl method: in-lineEffective range: 30 (no wall blocking)Noise: 20 (dB)Scope of action: in addition to formaldehyde, deodorization, sterilization PM2.5Product size: 108 x 45.5 x 39mmPlug Type: US Plug,it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on.Colour:WhiteMaterial:ABSSize:108 x 45.5 x 39mmPackage Contents:1 * In-line air purifier (US plug)1 * Chinese and English manualOnly 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.