1803BK DC Motor Speed Regulator controls the speed of a DC motor by adjusting PulseWidthModulated (PWM).Can control motor speed to change from 0 percent to 100 percent , and it is noise free when motor is at low speed.Use a 2A resettable fuse to protect the controller.Highefficiency, large torque governor can control the motor speed, small heat, has been repeatedly revised, has been widely stable applications in industrial.The onboard power indicator and potentiometer have the function of power switch, which is an ideal choice for controlling motor speed or LED light brightness.New and high qualityWorking voltage: dc1.8v15vOutput current: 02aSize: 32*32*14mmPackage includes: 1pcNote:Please refer to the measurement. Tiny measuring error is allowable in normal range.There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item.