DescriptionIt is a motor driver for two-phase stepper motors. Suitable for all kinds of small and medium-sized automation equipment and instruments, such as: engraving machine, marking machine, cutting machine, plotter, etc. Low cost, high current operation, good effect.Features- Color: Assorted color. - Material: Plastic, aluminum alloy. - Size: About 9.5x7x2.8cm/ 3.73x2.75x1.1 inch. - Output current: 0.5-4A - Input voltage: 9-42V DC - The item is a motor driver for two-phase stepper motors. - High temperature resistance, good stability. - High working efficiency and low loss. - Combine maximum efficiency and best motor. - Reduce noise, super silent while working.