Features:100% brand new and high qualityThis motor speed controller is mainly used for DC Motor speed regulationThis sensor-less three-phase brush-less (BLDC) DC motor speed using high quality chips for wide voltage.Stable performance, simple and most cost-effective multi-function operation, ease of use , is a compact DC brush-less DC drives.This motor speed controller support DC motor CW and CCW rotationSpecifications:Input voltage: DC5-36V Forward reversal: within 15AInput current: > motor working currentSpeed control: potentiometer (270 degree linear)Speed regulation range: 0-100%Support motor: brushless motorType of connection: barrier terminalKnob specification: 100K (with switch)Module size: 10*6.8*4cm / 3.93*2.67*1.57inWeight: 141gPackage included:1 x Motor Speed ControllerNote:1. The input voltage must differentiate "+" ,"-", can't input 220V voltage2. The input voltage should be equal to the rated voltage of the motor within 5-36V3. The motor wire ABC don't differentiatesequence