Feature: 1. Designed with digital display panel, easy to read and convenient to set up. 2. Support soft start and soft stop, can reduce the mechanical stress on the motor and shaft. 3. The DC motor controller input is only connected to DC power. 4. Compact size, low power consumption, quick response, dependable to use. 5. Built to meet standard specification, strictly follow factory quality control. Specification: Condition: 100% Brand New Item Type: DC Motor Speed Governor Material: PCB Color: As picture shown Input Voltage: DC6-60V (the Specific Voltage is Equal to the Rated Voltage of the Motor) Output Voltage: Linear Under Load Output Current: 0-20A Continuous Current: 15A Type of Speed Regulation: Flow Regulation Speed Regulation Method: Potentiometer Support Motor: Brush Motor Forward and Reverse: Support Speed Range: 0-100% Control Frequency: 15khz Wiring Type: Fence Terminal Knob Wire Length: Approx. 18cm/7.1in Digital Speed Display: Percentage 0-100Panel Opening Length: Approx. 92mm / 3.6in Panel Opening Width: Approx. 56mm / 2.2in Height: Approx. 34mm / 1.3in Width: Approx. 61mm / 2.4in Length: Approx. 96mm / 3.8in . Package List: 1 x DC Motor Speed Governor