Feature●Maximum continuous output current:3A ;Overload short circuit protection current:4A ,short circuit time does not exceed 30 seconds●Working Voltage:DC 10V - DC 30V;Maximum output power:120W●PWM Frequency: 500 KHz;PWM Pulse Width Modulation Range: 5% -95%●Applicable Motor:brush motor●Please note that this controller has a low frequency causing some types of the motor to whine at low speeds but not all motors will be like thisDescription