Intense firefights require the most responsive of controls, and the Y540 keyboard delivers best-in-class gaming controls to give you the edge over any opponent. Full-sized and top of the line, this keyboard delivers 100% anti-ghosting, laser-engraved WASD highlights, less than 1 ms response time, white backlighting, and more for ultimate control of your system. Further, the Y540 features Windows Precision drivers with gesture control, for effortless input whether at work or play.
Source: Lenovo