Product Description Mini DC motor governor, But also applies to LED dimming. Wide voltage DC motor speed controller, PWM duty cycle: 1% -100%. By screwing the potentiometer, you can turn off power supply output. High voltage and high current resettable fuse, overcurrent automatic disconnection, power off for cooling for a few seconds fuses automatic recovery. Default disconnection of short circuit point ,it is Applicable to 5-35V input voltage;If connect short circuit point,it is suitable for low voltage 3-15V input. Description: Operating Voltage: DC3V-35V Control Power: 90W (maximum) Quiescent Current: 0.015A (standby) PWM Duty Cycle: 1% -100% PWM Frequency: 10 kHz Size: 24 x 30mm/0.94 x 1.18" Package Included: 10x Mini DC 5A Motor PWM Speed Controller 3V-35V Speed Control Switch LED Dimmer