Product Feature: The DC Motor Speed Controller allows controlling speed of a DC motor using a Pulse-Width-Modulated (PWM) DC voltage with a Duty Cycle fully adjustable from 0%-100%. The motor speed controller can provide a continuous current of 30A to your DC motor or other DC load.

100% brand new and high quality.
Input supply voltage: DC 12V-80V
The maximum output power: 2000W
The maximum continuous output current: 30A
Static Current: 0.005 A ( Standby )
PWM frequency: 21kHz
Duty Cycle adjustable: 0%-100%
The operation environment temperature: -20°c-40°c
Size (L*W*H): 110mm x 76mm x 35mm