Side-Power's new range of proportional speed control DC thrusters allow you to select the power you need for precise boat movements in any weather and sea conditions. The unique hold feature allows you to keep the boat in position at dock or in locks. This IP version is for use in gasoline engine boats or in applications where the splash proof/humidity proof motor enclosure is preferred. Sealed gearleg Power: 6.4kW at 21 Volts Internal Tunnel Diameter: 215mm Propulsion System: Twin, 5 blades Boat Size: 42 - 60' Battery Capacity: 855 CCA SAE 24 VDC