Features 1、Made with high quality circuit board which ensures a longer service life. 2、Adopt PWM speed control, accurate and stable. 3、Support forward/reverse rotation control. 4、Small heating, high efficiency and high moment of force. 5、270 degree potentiometer speed control mode. Specification Condition: 100% Brand New Item Type: PWM Motor Speed Controller Output Current: 80A Continuous Current: 70A Speed Range: 0% - 100% Forward Rotation Reverse: Yes Speed Control Mode: Potentiometer (270 Degrees) Wiring: Red line is power supply positive Black lineis power supply negative Blue and yellow wires are wired for the motor, not distinguish between the positive and negative poles. Package List 1 x PWM Motor Speed Controller