Features Precise Control: Utilizes imported special chips for precise control of the stepping system, ensuring accurate and reliable performance. Automatic Current Halving: Automatically halves the current at rest, providing overheating, overcurrent, undervoltage lockout, and input voltage reverse connection protection for enhanced safety and efficiency. Efficient Heat Dissipation: Equipped with a large-area heat sink to dissipate heat in time, ensuring the encoder's protection and longevity. Durable Construction: Constructed with high-quality ABS material to ensure durability and stability, offering a reliable long-term solution for your needs. Versatile Compatibility: Ideal for a wide range of applications including engraving machine, marking machine, cutting machine, laser phototypesetting, plotter, CNC machine tool, and holding device. Specification: Item Type: Micro Step Driver Material: ABS Humidity: 40-90%RH Vibration: 10-55Hz/0.15mm Storage Temperature: -20～65℃ Input Voltage: DC 9-42V Cooling Method: Natural cooling or forced air cooling Signal Input: Single-ended, pulse/direction Applicable Motor: 4-wire, 6-wire and 8-wire 2-phase hybrid stepping motor with current below 4.0A and outer diameter of 39,42,57mm Applicable Equipment: Suitable for All Kinds of Small and Medium-sized Automation Equipment or instruments, such as: Engraving machine, marking machine, cutting machine, laser phototypesetting, plotter, CNC machine tool, holding device, etc. In equipment where users expect low-cost, high-current operation. Package List: 1 x Code Driver Package List 1 x Code Driver