Compared to cleaning windows with power towels or regular squeegees, cleaning with the WV 1 Window Vac from Kärcher is three times quicker and requires much less effort. The water and cleaning solution is suctioned away from the window – without leaving dirty drops or streaks behind. Thanks to its convenient rechargeable battery operation and compact design, the WV 1 guarantees maximum flexibility in cleaning all smooth household surfaces, not just windows. Forget wasted paper towels, streaks, drips and all the hassles of traditional window cleaning – with the WV1 you'll clean like a pro and 3X quicker! WARNING: This product can expose you to chemicals including lead and Diisononyl phthalate, which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.