Low Profile mechanical switches offers the speed, accuracy and performance of a mechanical switch at half the height. The GL Tactile switch produces a discernible bump at the point of actuation. Comes in 3 options: G815 LIGHTSYNC RGB Mechanical Gaming Keyboard - GL Linear. GL Tactile, GL Linear or GL Clicky. LIGHTSYNC technology provides next-gen RGB lighting that synchronizes lighting with any content. Personalize each key or create custom animations from 16.8M colors with Logitech G HUB software. Beautifully crafted, the G815 uses aircraft-grade aluminum alloy to deliver incredible thin but rigid and durable design.