Description:1803BK DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (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.High-efficiency, large torque governor can control the motor speed, small heat, has been repeatedly revised, has been widely stable applications in industrial.The on-board 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: dc1.8v-15vOutput current: 0-2aSize: 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.