Aircraft-grade anodized brushed aluminum frame: Built to withstand a lifetime of gaming. Lightweight and rugged durability, necessary for a keyboard that's going to see a lot of action 8MB profile storage with hardware macro and lighting playback: Allow access up to three stored profiles on the go, independent of external software Dynamic multicolor per key backlighting with Light Edge: Adjust each key's color and illumination level in addition to 19-zones on the top edge light bar for sophisticated and dramatic animations Exclusive key Slider macro button control system: the patent pending design provides 8mm of key travel with secure lock to ensure every button is within reach. 12 optimized mechanical side buttons: designed to Pro player specifications for consistent tactile feedback and precise actuation. Textured side button keycaps provide enhanced grip and feel. Onboard storage with hardware macro playback: three predefined profiles include actions common for MMO gaming as well as General purpose keyboard shortcuts. Custom, gaming Grade 16000 DPI Optical sensor: ultra-accurate and high-speed tracking Engine. Surface calibration tuning Utility: optimizes sensor precision and responsiveness for your playing surface.