The G105 is your essential tool for serious gaming. Play long into the night with LED backlighting. Six programmable G-keys provide up to 18 possible macro combinations per game. You can perform intricate macros with multiple keystrokes and can record new ones. Enhanced key rollover mean you can perform multiple and complex actions without interference. Convenient one-touch media key controls put more control at your fingertips, and a game/desktop mode switch disables the Windows and Context Menu keys, so your game wont be interrupted. Six programmable g-keys with three mode states each provide up to 18 possible macro combinations per game. You can even record new macros on the fly. And you can perform multipleand more complexactions without the interference or ghosting that can occur on other keyboards. USB connectivity. Programmable hot keys for quick access to chosen programs. Programmable favourites keys. Manufacturers 3 year limited hardware guarantee.