The Karcher WV 50 is a cordless, portable wet vacuum cleaner - fast and efficienct of cleaning windows and other flat surfaces. Double-layered 11 neoprene blades provide edge-to-edge suction decreasing the amount of streaks and drips associated with traditional cleaning methods. The model features an ergonomic, lightweight design, 3.5-ounce fluid reservoir, rechargeable Lithium-ion battery.