Karcher WV 6 Plus Window Vacuum Cleaner. This Karcher WV 6 Plus gets rid of smears on your windows and mirrors with its silicone lip technology for a streak-free finish. Get loads of cleaning done in one go as it lasts for 100 minutes on a single charge. It's 3x faster and more effective than conventional cleaning so you can expect better results. Check the remaining battery life without guessing, thanks to the LED indicator. The easy-to-open container lets you pour the mucky water away without having to get your hands dirty. It runs quietly so you won't disturb anyone when you're on a cleaning spree. From the original inventors, the Kärcher WV 6 Plus Window Vac is Kärcher's most innovative Window Vacuum, the easiest and quickest.