1、Backlight: Mechanical keyboard switches support waterproof, support backlight function, suitable for silent mechanical keyboard. 2、Noise Reduction: Linear switch, glossy and quiet, efficient noise reduction mechanism, good use effect, 3PIN. 3、Transparent Housing: Stem structure side wall is dustproof, transparent housing and stem, long spring to ensure stable rebound. 4、45 Pieces: There are 45 pieces of mechanical keyboard switches in the package, enough quantity to meet your actual needs, perfect for you to DIY your own mechanical keyboard. 5、Plastic Material: Mechanical keyboard switches are made of plastic material, wear resistant and durable, not easy to damage, long service life. 45 x Linear Mechanical Keyboard Switches Item Type: Linear Mechanical Keyboard SwitchesMaterial: PlasticQuantity: 45 PiecesWaterproof Function: Support WaterproofBacklight Function: Support BacklightApplicable Models: Silent Mechanical Keyboard