1Easy To Install: The controller size of this DC motor governor is 110mm x 77mm x 36mm and the panel size is 86mm x 86mm x 31mm, the size is accurate and easy to install. 2Smart Digital Display: This DC motor governor adopts smart digital display, which can display output current, voltage, etc. Together with the touch screen key operation, it is more convenient to adjust effectively and intuitively. 3Good Performance: This DC motor speed regulator has an operating voltage of DC5V to 24V, a maximum current of 5A, and a speed regulation range of 0% to 100%. 4Wide Application: This DC motor speed controller can be used for regulating small power motors, electric motors, fans, water pumps, LED lights, amplifiers and other DC products. 5Sturdy And Durable: This DC motor governor is made of excellent ABS, stainless steel and aluminum alloy materials, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. 1 x DC Motor Speed Controller 1 x Voltage Transformer