DC Motor Speed Controller 12v, Low Voltage PWM 1803BK Adjustable Driver Switch with Control Knob 1.8v 3v 5v 6v 12v 2A Description: brand new and high quality Features: for DC motor speed controller can easily provide 2A continuous current for DC motor or other for DC loads. With self-recovery fuse 2A and start LED light. PWM for DC motor speed controller with switching function. Technical parameters: input voltage range: DC2.2 12V, output voltage: 1.8 12V adjustable (according to the power supply voltage), output current: