Features [High practicality] This motor s/peed controller supports forward and reverse rotation of DC motors [Easy to use] This motor driver has stable performance, simple and most cost-effective multi-function operation, easy to use. [High-quality chip] This sensorless three-phase brushless (BLDC) DC motor s/peed uses high-quality chips to achieve wide voltage. [Scope of application] This motor driver is mainly used for s/peed adjustment of DC motors [High quality] This motor driver is 100% brand new and high quality. Features: 100% brand new and high quality This motor s/peed controller is mainly used for DC Motor s/peed regulation This sensor-less three-phase brush-less (BLDC) DC motor s/peed 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 s/peed controller support DC motor CW and CCW rotation Specifications: Input voltage: DC5-36V Forward reversal: within 15A Input current: > motor working current S/peed control: potentiometer (270 degree linear) S/peed regulation range: 0-100% Support motor: brushless motor Type of connection: barrier terminal Knob specification: 100K (with switch) Module size: 10*6.8*4cm / 3.93*2.67*1.57in Weight: 141g Package included: 1 x Motor S/peed Controller Note: 1. The input voltage must differentiate "+" ,"-", can't input 220V voltage 2. The input voltage should be equal to the rated voltage of the motor within 5-36V 3. The motor wire ABC  don't differentiate sequence Package List