About This Complete Set of 110 Switches: Each Keychron Silent K Pro Brown switch set includes 110 switches—ample for most mechanical keyboards, including full-size 100% layouts, with extra spares for future replacements. Smooth & Ultra-Quiet Typing: Factory pre-lubed for an ultra-smooth, whisper-quiet typing experience. The reduced sound profile is perfect for noise-sensitive offices and late-night gaming sessions. Durable Gold Alloy Contacts: Built with gold alloy contacts to resist oxidation and rated for up to 80 million keystrokes, these switches guarantee lasting performance and reliable actua Brilliant RGB Lighting Support: With an ultra-transparent upper housing and SMD-LED compatibility, these switches let your RGB lighting shine through vividly, elevating your keyboard's illumination. Wide Compatibility – Standard 3-pin mechanical switch design fits most hot-swappable mechanical keyboards (3-pin & 5-pin), including Keychron normal-profile models. MX-style stem supports most keycaps. Fully compatible with RGB/LED backlit keyboards. Not compatible with optical, magnetic, or low-profile keyboards. Overview Operation Mode : Manul Operating Voltage : 5 Volts Contact Type : Normally Open Connector Type : Crimp Brand : Keychron Switch Type : Mechanical Terminal : Through Hole Material : Plastic Item dimensions L x W x H : 6.69 x 1.57 x 1.57 inches Circuit Type : 1-way