Karcher Window Vac WV 6 Premium review: great for windows and more

One-minute review
The Karcher Window Vac WV 6 Premium is the brand's most advanced window vacuum cleaner. It boasts some impressive technology that promises to deliver a streak-free shine to windows, mirrors, tiles, shower screens and more.As with the best vacuum cleaners and best cordless vacuums, I put the Karcher Window Vac through its paces in several ways. The set up, usability and battery runtime was all tested, along with how well the handheld appliance actually cleaned. I've been us