Long-life blue LED backlighting: Select from two brightness levels to easily see keys in the darkn6 programmable G-keys: Configure up to 18 unique functions per game, including single key presses, complex macros or intricate Lua scripts* (*Requires software installation)nMulti-key input: Press up to five keys at once to perform multiple complex actions without interference or ghostingnGame/desktop switch: Disables the Windows/Context Menu keys to prevent accidental game interruptionsnMade for PC gaming: Compatible with Windows 8, Windows 7 and Windows VistanLED backlighting. Programmable G-keys for single actions and macros. Anti-ghosting capabilities. The Logitech® Gaming Keyboard G105 is your essential tool for serious gaming.