dolphin premier robotic pool cleaner dolphin <strong>the flagship of the dolphin pool cleaners</strong> <p>it's the best dolphin pool cleaner ever. with groundbreaking design and a level of efficiency never seen before, the newest dolphin has set the standard. highly efficient, state-of-the-art dc motors and an ingenious multi-media filtration system deliver an exceptional user experience while reducing energy use up to 87%.</p> <strong>one robot. four media types.</strong> <p> which media type do you prefer? for the first time ever, no matter which you choose, you won’t be making a compromise. choose the right media for the job. want to clean fine debris and algae that passes through other pool cleaners? go micro-filter. need to pick up a bushel of leaves? go oversized debris bag. how many robotic pool cleaners offer multi-media? exactly one...only dolphin premier.</p> <strong>patented 360° anti-tangle swivel</strong> <p>the underwater robotic cable swivel is one of the greatest engineering accomplishments in the pool cleaner industry. but you don’t need to be an engineer to understand the benefits of tangle-free operation. without a 360° swivel, every cable will ultimately tangle and destroy efficiency.</p> <strong>smartnav pool surface scanning</strong> <p>when you unleash the dolphin premier pool cleaner into your pool, it doesn't just wonder aimlessly around like other cleaners. smart-nav software delivers highly optimized coverage for a new level of clean. premier calculates the optimal pattern for faster cleaning. microprocessor control ensures complete efficient coverage. </p> <strong>3,000 rpm ultra efficient dc motors</strong><p> <p> this unit is an open box return in good working condition</p>