1803BK DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM). Can control motor speed from 0 percent to 100 percent and operates noise-free at low motor speeds. Equipped with a 2A resettable fuse for controller protection. High-efficiency design with large torque capability, providing stable motor speed control with minimal heat generation. Features an on-board power indicator and potentiometer that serve as a power switch, making it suitable for controlling motor speed or LED brightness. New and high quality. Working voltage: DC 1.8V-15V Output current: 0-2A Size: 32x32x14mm Package includes: 1 piece Note: Please refer to the provided measurements. Small measurement variations are normal. Color may vary slightly due to monitor or lighting conditions. Refer to the physical item for accurate appearance.