Description: Advantage: the matched motor got stable speed and high torque Input voltage: 6-24V Output voltage: 1.8-22V Adjustable Speed range: 1%-100% PCB size: 43.5mm x 20.5mm Component: External 148 potentiometer speed control knob, wire is 20cm long Warning : output cannot be shorten, or will lead to speed control board burning Package Includes: 1 x Small DC motor speed control board
