7.4V 12V Underwater Thruster Built-in Motor Engine for RC Fishing Bait Boat Waterproof PropulsorLeft Thruster:Push forward when the motor power line is reverse connectedThe red wire connects to the negative pole of the power supply and theblack wire connects to the positive poleRight Thruster:Push forward when the motor power line is positive connectedThe red wire connects to the positive pole of the power supply and the black wire connects to the negative poleTipsThe power line of this motor has been weldedthe left motor pushes forward when using CCW propellerthe Right motor pushes forward when using CW propellerSpecification:Item name: Underwater Thruster Built-in MotorMotor Shaft Length25mmTips: Due to manual measurement, please allow a slight deviation.Rotating speed: approx. 12000 rpmVoltage: 7.4V(Battery charging voltage 8.4V, discharging voltage 7.4V)Large thruster maximum voltage can be used up to 12VFeaturesHigh speed and great horsepower.Perfect forremote control bait boat toy.Package included1pc x Thruster