Features: Suitable for V1C V1N V1S Mainboard driver boards to ensure compatibility and stability. Easy to operate and support durability and reliabledly; easy installation; Provides excellent performances and precise control. Users of Shenniu V1C V1N V1S driver boards, including DIY enthusiasts and electronic engineers. Suitable for a variety of mechanical equipment and electronic projects, such as 3D printers, engraving machines, machine tools and so on. Specifications: Sizeabout 7x2cm/2.7x0.79in for V1C V1N V1S Mainboard driver board Package Includes: 1PC Driver Board note: There might be a bit color distortions due to different computer resolution There might be size errors due to different computer resolution