Check the listing for details. 12V 24V Max 20A PWM DC Motor Stepless Variable Speed Control Controller Switch. Condition: New. Listed at 12.95 USD. Welcome to Kumbala eBay Store Description: - 100% Brand New - This can not be used for brushless motor - Parameters: motor speed controller input voltage range is 9-60V, output current range is 0-20A, continuous power is 1200W. - Application: the dc motor driver can be used to brush motor speed regulation, lightdimming regulation in the DC circuit.Note: The motor cannot be used in electric vehicles. - Speed Control: our motor control board can regulate motor speed by potentiometer;what's more, it support clockwise/anticlock-wise rotation adjustment. Features and Specification - Easy Wiring: thick red wire for the positive of the power supply, and thick balck for thenegative; thick blue wire for the motor positive, and the thick green for the motor negative. - PWM: the advantage of using a pulse width modulation (PWM) method for dimming /speed regulation is that the energy of the power supply can be fully utilized and thecircuit is highly efficient. Technical Details - Weight: 5.6 ounces - Dimension: 3.62 x 2.05 x 1.42 inches - Color: Silver - Material: Aluminum - Wattage: 1200 wattsIncluded in this package: - 1X DC Motor Controller