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 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 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