dolphin proteus dx3 automatic robotic pool cleaner, the quick and easy way to a clean pool, ideal for in - ground swimming pools up to 33 feet dolphin the maytronics dolphin proteus dx3 is an efficient and ultra-light weight robotic pool cleaner that provides deep cleaning results. the dolphin proteus dx3 robotic pool cleaner comes with a 50 foot cable, top loading filtration basket, power supply control, and a one year limited warranty from the manufacturer. it starts by spending the first twenty minutes scanning your pool to create the most efficient route, which helps to ensure that no spots are missed. the proteus dx3 thoroughly cleans the