Features BEC - 5v/1A Max Connectors - Battery (TAMIYA) Motor (4mm Female) Continuous Current - 50A Forward (20A Reverse) Heat Sink - Yes Marine Water Proof 50A Brushed Speed Controller with Low Power Reverse Maximum Current - 70A Burst Voltage - 7.2v to 12v (6-10 cells) Weight - 85g with wires (Size - 42 x 47 x 13mm)