Features: _x000D_ 100% brand new and high quality _x000D_ This motor speed controller is mainly used for DC Motor speed regulation_x000D_ _x000D_ This sensor-less three-phase brush-less (BLDC) DC motor speed using high quality chips for wide voltage. _x000D_ Stable performance, simple and most cost-effective multi-function operation, ease of use , is a compact DC brush-less DC drives. _x000D_ This motor speed controller support DC motor CW and CCW rotation _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Input voltage: DC5-36V _x000D_ Forward reversal: within 15A_x000D_ Input current: > motor working current_x000D_ Speed control: potentiometer (270 degree linear)_x000D_ Speed regulation range: 0-100%_x000D_ Support motor: brushless motor_x000D_ Type of connection: barrier terminal_x000D_ Knob specification: 100K (with switch)_x000D_ Module size: 10*6.8*4cm / 3.93*2.67*1.57in_x000D_ _x000D_ Weight: 141g _x000D_ _x000D_ _x000D_ Package included: _x000D_ 1 x Motor Speed Controller _x000D_ _x000D_ _x000D_ Note: _x000D_ 1. The input voltage must differentiate "+" ,"-", can't input 220V voltage _x000D_ 2. The input voltage should be equal to the rated voltage of the motor within 5-36V _x000D_ 3. The motor wire ABC don't differentiate sequence