Features: Supports 9-60V wide input, suitable for 12V/24V/36V, offering multiple current specifications (10A/20A/40A) to suit various brushed motor power needs. Features integrated forward, stop, and reverse switches with potentiometer speed adjustment, enabling seamless directional and speed control for flexible motor operational. Utilizes 15KHz high frequency technology for smooth speed adjustment, ensuring stable output under load and energy efficient. Includes a power light and clearly labeled terminals for easy installation; panel design with cooling holes supports continuous operational and durability. Ideal for conveyor belts, mixers, small machinery, and projects requiring brushed motors with forward/reverse control, suitable for industrial and hobbyist use. Specifications: Component:ABS Type:10a/20a/40a Size:Approx. 90X81x52mm/3.18X2.04X3.54Inch Input: X0910 ( 9-60V), X0920 ( 9-60V), X1040 ( 9-36V). Current: X0910 (10A), X0920 (20A), X1040 (40A). Control frequency: 15KHz. Package Includes: 1Pc Motor Speed Controller note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.