Aquajoy ClearSweep™ Pro

This window cleaning machine uses strong suction and a soft rubber scraper to clean windows without leaving streaks or scratches. It has a 2200 mAh battery for up to 45 minutes of continuous use and a lightweight, cordless design.

• The description claims the vacuum can clean windows without leaving streaks or scratches.
• The description claims the device can work for up to 45 minutes on a single charge.