Description: 79/5000 PWM Speed Controller 2000W, 50-220V / AC, 25A,Motor Speed Controller 100% Brand new and high quality. Original chip, monolithic capacitors,stable and reliable circuit The DC Motor Speed Controller allows controlling direction of a DC motor using a Pulse-Width-Modulated (PWM) DC voltage with a Duty Cycle fully adjustable from 0%-100%. Specification: Input voltage : 110V-220V AC Output voltage : 50V-220V Control Power : 0.01-2000W Max Current: 25A Size Chart: Size: 47*35*27mm / 1.85x1.37x1.06inch Package Includes: 1 Piece PWM Speed Controller Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!