Features The motor speed controller can provide the variable speed capability for the DC motor and provide the limit function at the same time. The wireless remote control DC motor speed controller realizes start, stop, speed up and down, forward and reverse RC control. The DC motor speed controller can realize simple automatic functions. The DC motor speed controller can remotely control the speed up and down, forward and reverse, and stop of the brushed DC motor. The motor speed controller has powerful functions, stable performance and beautiful appearance. Features: 1. Provides variable speed capability for DC motor, also provides limit function. 2. Achieves start, stop, speed up and down, positive and reverse rotation RC controlled. 3. DC Motor Speed Controller can achieve simple automatic functions.  4. It can remote control the speed up and down, positive and reversing rotation and stop of the brushed DC motor.  5. It owns powerful function, stable performance and beautiful appearance. Specification: Condition: 100% Brand New Item Type: Motor Speed Controller Supply voltage: DC12V-30V Applicable power: 12V upper limit 200W, 24V upper limit 400W Maximum current: 30A Remote control battery: A23 battery (Battery NOT Included) Package List: 1 * Motor Speed Controller Package List