Features Easy 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. Smart 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. Good 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%. Wide 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. Sturdy 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. Specification: Item Type: DC Motor Speed Regulator Material: ABS, Stainless Steel, Aluminum Alloy Model: CCM6DS T FAN Operating Voltage: DC5V-24V, 5A or Less (Output voltage is about 0-100% of input voltage.) Maximum Current: 5A Speed Regulation Range: 0%-100% Size: Regulator: Approx. 110 x 77 x 36mm / 4.33 x 3.03 x 1.42in Panel: Approx. 86 x 86 x 31mm / 3.39 x 3.39 x 1.22in Package List:1 x DC Motor Speed Controller1 x Voltage Transformer Package List 1 x DC Motor Speed Controller 1 x Voltage Transformer