Welcome to our store! Reliable Performance: Adopts onboard 4-way A4988 16 subdivision stepping driver board motor for good efficiency and stability. 3-Way Outputs: PWM DC 3-way outputs, set 1 for high currents, set 3 for medium currents, and set 2 for small currents. Better Design: Supports 12-24V input, the main board for self-leveling proximity probe allows for less heat during operation. Perfect Match: Can be directly connected to for Ramps1.4, 2004LCD control board and 12864LCD control board, very practical. Easy to Install: Comes with USB interface, the lightweight control board allows for easy and secure connection. Item Type: 3D Printer Motherboard Power Input: 12V-24V, with USB interface. Connection: Supports for Ramps1.4, 2004 LCD and 12864 LCD control board. 1 x 3D Printer Motherboard Customers are our top priority. If you discover any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.