The Dolphin Nautilus is a feature-rich robotic cleaner that provides exceptional cleaning power at an affordable price! This lightweight, easy-to-use robotic cleaner is designed for all pool surfaces up to 50 feet long. To ensure complete pool coverage, the Nautilus utilizes advanced scanning technology and will actively brush your pool walls and floor while filtering the water. And its convenient cartridge filter system is easy to access and clean! The Nautilus comes complete with 60' of patented anti-tangle swivel cable, digital power supply with LED diagnostics and reusable cartridge filters including an extra spring clean-up cartridge.