12V-36V Pulse Width PWM DC Motor Speed Regulator Controller Switch 100% brand new and high quality. ?Control the speed of a DC motor with this controller. ?Control the light of a lamp with this controller. ?High efficiency, high torque, high power, high heat dissipation. ?With overcurrent protection. ?The high quality COMBICON improve the stability of circuit. Specifications: ?Input voltage: DC12V - 36V ?Sustained current:3A,max.6A(Need to add a cooling fan when max. current) ?PWM Duty Cycle:0 -100% ?PWM Frequency:500KHz ?Material: Plastic, metal ?Size (L*W*H):56mm*36mm*22mm Package Included: 1 x 12V-36V Pulse Width PWM DC Motor Speed Regulator Controller Switch