Cleaning the windows can be a tricky job with cloths and water buckets making a mess, not to mention the difficulties of cleaning glass without leaving streaks. Try a new approach using this brilliant cordless window cleaning vacuum with a 3.7 V rechargeable battery, 60 ml water tank and up to 30 minutes of continuous usage time. The ideal cleaning accessory, with a speedy charging time of 2-3 hours, vacuum up the dirt and grime in minutes leaving nothing but sparkling clean glass. Kleeneze Cordless Window Vacuum Cleaner Plastic