Equipped with water-cooled 540-class motor installed with water-cooling jacket and waterproof ESC. Produces 7 minutes of continuously run time when used in combination with included battery. | | Rudder servo linkage can be accessed by removing round cover on the rear of the surfboard. | | Uniquely shaped rudder delivers sure control down the slope of the wave. Features a mechanism to protect the screw if board rides up on the beach. |