HobbyWing RC Boat Seaking-90A Brushless BL Motor ESC Speed Controller

Features

• Use top quality electronic components to enhance the current endurance ability of the ESC.??
• Special designed for RC boat, with excellent start-up, acceleration and linearity features.
• With water cooling heat-sink and the whole ESC is waterproof to get a longer life.
• With 2 running modes ("Forward" mode and "Forward/Backward" mode).
• Multiple protection features: Low voltage cutoff protection to prolong the battery life / Over-heat protection / Throttle signal loss protection. ??
• With 8 steps of timing adjustment, compatible with most of sensorless brushless motors.
• User programmable.
• Multiple program methods supported: Transmitter stick, LED Program Card. Very easy to program the ESC at home or at the racing field.