Quick and easy window cleaning, the fantastic Karcher WV50 Window Vac vacuums dirty water before it drips. The WV50 cleans your windows hygienically and streak free. Conveniently cordless, making it easy to use anywhere. Removing liquids from all surfaces and can vacuum up to 45 windows per charge, making this chore fun. Delivering effortless cleaning for a streak-free, brilliant shine.