With the new vibrating battery wiper KV 4 Karcher smooth surfaces such as windows, mirrored surfaces, glass tables, tiles and many more can be easily cleaned. The battery wiper facilitates purification by electric water discharge and vibration generated by the battery-powered motor. The dirt can be removed as if by itself by driving over contaminated surfaces - so tiresome scrubbing thing of the past. With only 2 controls the new cleaning device is intuitive to use. It is also easy to handle and requires a short preparation time. If the tank with the supplied cleaning agent concentrate and water is filled, the cleaning process can be started. The supplied wipe the KV 4 is also washable and therefore reusable