1. Start And Stop With The Vehicle, Easy To Operate, The Vehicle Starts Automatically Opens, Stops And Automatically Closes Without Manual Operation 2. Air Circulation Air Duct, Air Volume 360, Purify Pm2.5, Remove , Purify Second-Hand Smoke 3. Three-Layer Filter Element, Efficient And Comprehensive Purification 4. H13, Hepa Filter Material And Pp Corrosion-Resistant Material, Hair Flying, , Parvo Allergens, Etc. Are Screened Through The Filter One By One, And The Respiration Is Checked Layer By Layer 5. 5 Million Negative Ions Take The Initiative To Purify, Dust, Deodorize, , Remove Aldehyde, Negative Ions Are Known As "Air Vitamins", With Good Health Care Functions, Negative Ions Will Take The Initiative To Capture Harmful Substances In The Air To Purify The Air, Dust Removal, Deodorization, Sterilization, Formaldehyde Removal, Etc. Product Model: K2 Negative Ion Concentration: 500w Working Current: 260mA(Max) Working Voltage: 5v Use Area:less than equal 10m Colour:White Material:ABS+Silicone Size:6x6x13cm Package Contents: 1 x Data Cable 1 x Chinese And English Manual 1 x Cpe Bag 1 x Filter Elements Only the above package content, other products are not included. Note: Light reflection 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.