Cleans pool floor, cove, walls and waterline
Recommended for in-ground residential pools up to 50 ft. in length

The Dolphin Supreme M4 raises the bar for robotic pool cleaners, representing te latest generation of dolphin technology.

Dolphin Exclusive Features:

Weekly timer -- preset cleaning cycles throughout the week!
Full filter indicator lets you know it's time to clean the cartridge
Additional 3rd underside scrubbing brush powers away dirt and debris!
Quick-n-easy top access to filter cartridge
Patented swivel cable helps prevent tangling
Incredibly efficient - costs less than 15 cents to clean the pool.

More:

Scrubs, vacuums and filters all pool surfaces in just 2.5 hours.
Plug-n-play! No pre-installation needed, no connections to pool system.
Self-programmed for optimal pool scanning.
36 month warranty - spare parts and labor.

M4 Specifications:

Cycle time: 2.5 hours
Cable length: 60 ft.
Filter: Fine porosity
Suction rate: 4,233 gal (USA) per hour
Unit weight: 22 lbs.