Feature FUNCTION Pulse width modulation(PWM) is used to make the speed more stable, and the strength is high at low speed. NOTICE This is a DC brush motor controller, so please don't use it on AC motors. WIDE USE The speed controller is widely used in industrial DC motor speed regulation, DC fan, etc. EASY to USE Adopt the motor of speed control mode, it has stable performance, the speed can be adjusted and it is easy to install. Specification Brand new Supply Voltage DC 9V 60V Installation Method panel type, and wiring according to wiring diagram colour black Material metal plastic size approx. 99 60 90mm Package Contents 1 10A PWM Motor Speed Controller Only the above package content, other products are not included. Note Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1 3cm.