Designed for safe reliable use, the MotorScrubber quickly and effortlessly cleans your restrooms, shower rooms, locker rooms, windows, stairwells, pools and motor vehicles. The MotorScrubber operates off a 12-volt DC battery, which is safe for use around water. It provides up to 4 hours of use and recharges in 10 to 12.5 hours. The MotorScrubber allows you to scrub and polish where there is no electric outlet available.