Razer Blackwidow Ultimate 2016 - Backlit Mechanical Gaming Keyboard - Fully Programmable - Tactile & Clicky Green Switches Designed specifically for gaming, the Razer Mechanical Switch actuates at an optimal distance, giving you speed and responsiveness like never before The all-new Razer BlackWidow Ultimate features individually programmable backlit keys along with dynamic lighting effects all set easily through Razer Synapse No matter how intense your gaming marathons get, each Razer Mechanical Switch is engineered to withstand up to 60 million keystrokes, so youll enjoy the Razer advantage for years The Razer BlackWidow Ultimate now features an improved top cover textured finish that is smudge free to keep fingerprints away and allow for easy maintenance The Razer BlackWidow Ultimate 2016 features an extended warranty of 2 years, so you can enjoy the Razer advantage for longer. 10 key roll-over anti-ghosting