The Pentair 360322 Prowler® 920 Robotic In Ground Pool Cleaner offers a superior level of cleaning, scrubbing and vacuuming all the way to the tile line. With two brushes, including one active brush that spins at two times the speed of the tracks, a single LED light and the ability to customize the filtration level, just plug in the Prowler 920 and watch it go to work.