Features: Replace your broken, damaged, or unused mouse button board. Professional craftsmanship, designed to work in good condition. Compatible with Logitech G900 and G903 Hero gaming mouse micro switch board for left and right buttons. Solves failure issues of left and right mouse buttons. Rated for up to 80 million clicks, offering a long service life. Installation requires special skills and techniques. Please verify the model and images before purchase. Specifications: Suitable for Logitech G900 and G903 mouse Material: Plastic Quantity: 2 pieces per pair Click Life: 80 million (for HUANO Pink Dot Switch), 10 million (for D2F-F-3-7 White Dot Switch), 50 million (for D2FC-F-K Blue Dot Switch) – optional variants available Type: Mouse Button Board Package Size: approximately 10 x 5 cm / 3.94 x 1.97 in Notes: No retail packaging included. Please allow 0–1 cm variation due to manual measurement. Ensure you are comfortable with this before purchasing. Due to differences in monitor displays, actual item color may vary slightly from the picture. Package Includes: 2 x Mouse Button Boards (mouse not included)