ApisQueenBI-Directional 2-6S 100A ESC Electronic Speed Controller with 5.5V 3A BEC for Underwater Thruster and Motor

ApisQueen BI-Directional 2-6S 100A ESC Electronic Speed Controller with 5.5V 3A BEC for Underwater Thruster and Motor

ApisQueen PWM 1-2MS Speed Control Knob Pluse Width Modulator for Underwater Thrusters/Brushless Motors

ApisQueen A300 6CH 2.4GHz RC Transmitter and Receiver Remote Controller Non-Waterproof with PWM 6 Channel Receiver for RC Boat