Feature:1. Reliable Work: Adopt on board 4 way A4988 16 subdivision stepper driver board motor for good efficiency and stability.2. 3 Way Outputs: PWM DC 3 way outputs, way 1 for high currents, way 3 for medium currents, and way 2 for small currents.3. Better Design: Supports 1224V input, the main board for self leveling proximity probe enables less heat during work.4. Perfect Match: Can directly connect to for Ramps1.4, 2004LCD control board and 12864LCD control board, very practical.5. Easy to Install: Comes with USB interface, the light weight control board allows for simple and secure connection.Specification:Item Type: 3D Printer MotherboardPower Input: 12V-24V, with USB interface. Connection: Supports for Ramps1.4, 2004 LCD and 12864 LCD control board. .Package List:1 x3D Printer Motherboard