Elemart(TM) Mini Car Vacuum Cleaner Wet/Dry Portable Hand-held Bagless 2.5m Cable Use directly from the car lighter socket; Controlled by ON / OFF switch, easy to use. Complete with convenient attachment and washable filter. Wet & Dry Function: It is not only worked for dust but also for liquid. It can suck cigarette ash, cookie crumbs, hair, etc. Perfect for home, office, school, travel and all vehicles. Power Source: Vehicle's cigarette lighter outlet (12V).