Description: the motor speed controller allows you to control the direction of the DC motor, using pulse width modulation (PWM) DC voltage with duty cycle in fully adjustable from 0%-100%. The motor speed controller can easily provide 5A continuous current to the DC motor or other DC load. The circuit also includes a digital display function, whose horn-shaped digital display fill factor specifications: input voltage: rated current 6V-30V DC 5A (max. 15A, can not be extended) static current: 0. 0. 02A power control: 0.01-150W PWM frequency: 13kHz duty cycle adjustable: 0%-100% digital display fill factor panel size: approx. 80x4 2mm/3.15x1.65" installation size: 79x39x2 4mm/3.11x1.54x0.94" quantity: 1 Pc note: please allow 1-3mm error due to manual measurement. Pls make sure you don't mind before bidDue to the difference between different monitors, the picture may not reflect the actual color of the thing. Thank you! No Retail Package Contents: 1 x Motor Speed Controller