The Razer BlackWidow is the first mechanical gaming keyboard designed to pave the way for a whole new feel and accelerated gameplay. A full mechanical key architecture delivers distinctive tactile feedback and superior gaming-grade response with an extended lifespan of over 50 million keystrokes. Its five additional macro keys with on-the-fly recording and optimized key matrix allow you to stay in complete control of every frenzied battle as you outmaneuver your adversaries and perform back-to-back assaults. Key Features: Mechanical Key Architecture for Superior Tactility and Faster Response: The Razer BlackWidow"s mechanical key technology provides a distinctive tactile feedback in form of a light pronounced tap to your fingers giving you an entirely new feel on your keyboard. With its optimized actuation force of 50g and a reduced actuation distance of 2 mm the Razer BlackWidow"s keys allow you to actuate your commands faster than on any other standard gaming keyboard;Full Programmable Keys allow Effortless Configuration: Record unlimited macros on-the-fly without having to take your eye off the game and immediately change between up to 10 profiles without the hassle of going into complex driver menus. With the simple click of two buttons you initiate and end the recording and you"re all set;Five Additional Gaming Keys: Expand the amount of easy-to-reach commands with the additional 5 Macro keys on the side and avoid any distractions by switching on the Gaming Mode;Warranty: 2 years.