Feature:Forward/stop/reverse three gear adjustment.Digital display, precise positioning of 0-100 speed percentage meter.Panel-style embedded installation, easy and simple.6-60V wide voltage, 20A current.Attention:The digital display is the speed percentage and not the actual motor speed.The input voltage must be divided into positive and negative, can not input 220V household electricity.The input voltage should be equal to the rated voltage of the motor (within 6-60V). For example, the rated voltage of the motor 12 is 12V, and the 36V of the motor is 36V.Specifications:Item Type: Motor Speed Controller ModuleMaterial: electronic componentsSize: 96x61x34mm/3.7x2.4x1.3inColor: BlackInput voltage: DC6-60V (the specific voltage is equal to the rated voltage of the motor)Output voltage: linear under loadOutput current: 0-20AContinuous current: 15AType of speed regulation: flow regulationSpeed regulation method: potentiometerSupport motor: brush motorForward and reverse: supportControl frequency: 15KHZWiring type: fence terminalDigital speed display: percentage 0-100Quantity: 1 PCNote:Transition: 1cm=10mm=0.39inchPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes:1 x Motor Speed Controller Module(other accessories demo in the picture are not included!)