Save up to 94-percent on energy costs with TigerShark robotic cleaners. Our energy-efficient tigershark uses less energy vs most pressure cleaners and has been selling worldwide for 40 years. Its efficient cleaning pattern covers the entire pool including the bottom and sides, all the way to the tile line. Easy to use and operate, all you do is take it out of the box, plug it in and you're ready to go no additional tools required. It's even equipped with a convenient shut-off function, automatically powering down at the end of its three-hour cleaning cycle. Utilizing its on-board smart computer, it calculates the size of your pool for a programmed energy efficient cleaning pattern for a spotless clean pool every time. This advanced portable cleaner brushes and scrubs while it vacuums reaching everywhere in your pool including the bottom, sides and steps. It also features an easy to clean reinforced cartridge element, which means no more bags yet another attribute. As an additional safety measure, all TigerShark's feature a 24 DC volt, energy efficient motor.