The 'Lil Shark devours both large and small debris in your pool at this great price. The patented vortex design, with only one moving part, even operates on pools with lower flow rates. It will clean flat bottom or dished out pools, but is not a wall climber. Since it only has on moving part, maintenance is reduced and reliability is increased. The unit installs in minutes without special tools or fittings. Since it operates on the suction produced by your pump and filter system, it runs automatically whenever your pump is operating. 'Lil Shark not only vacuums, but scrubs your pool, gobbling up all types of debris. The unit comes complete with 32-feet of hose. Backed by a 2-Year Warranty. Invest in the debris-eating dynamo at this great price!