3660 Brushless 3250KV Motor+90A ESC+36-S Water Cooling Jacket Mount for RC Boat. It can can be programmed. Water cooling tube and jacket with inlet and outlet fittings. This built-in 5.5V/3A BEC of ESC provides power for the receiver. Waterproof design extends ESC service life. If there is water in the ESC, please dry the water […]