Type & Name-OmniPoint Adjustable Mechanical Switch (Analog Hall Effect Magnetic Sensor), Switch Location-OmniPoint switches pictured in black, Actuation Point-0.4mm to 3.6mm (More info), Force-45cN, Response Time-0.7ms (More info), Lifetime-100 Million Keypresses ,Top Material-Aircraft Grade Aluminum Alloy Frame, N-Key Roll Over-104-Key(All), Anti-Ghosting-100%, Illumination-Individually controllable per-key RGB, including whole-keyboard patterns, and reactive typing effects, Weight-1.7 lbs ,Height-40.44 mm, Width-139.26 mm, Depth-355.44 mm, OS-Windows and Mac OS X. USB port required, Software-SteelSeries Engine 3.15+ (coming soon) for Windows (7 or newer) and Mac OSX (10.11 or newer).