Features: This new 1803BK DC motor speed controller allows you to control the DC direction of the motor using Pulse Width Modulation (PWM) DC voltage with duty cycle in the product adjusts in between 0%-100%. With 2A self-recovery fuse and LED light on. Turn on to provide 2A continuous current to DC motor or other DC load.Specifications:Power Input Voltage: 1.8V-15VDCM Maximum Efficiency: 30W Maximum Continuous Output Current: 2A Working Pattern Adjustable: 0%-100%Size: Approx. 32*32*15mm/1.25*1.25*0.59'' Net Weight: Approx. 14gNote:DC Motor Speed Controller DC Power Supply, Do Not Directly Connect to Household 220V AC. Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thank you for your understanding.1 x Motor Speed Controller