The NEMESIS Switch Optical RGB Gaming Mouse comes with an exclusive patented key switching system for an enhanced FPS/RTS/MOBA/MMO gaming experience. Enthusiasts can customize up to 12 switch keys to suit different playing styles, hand sizes, and for enhanced ergonomic comfort. The use of Japanese branded OMRON switches with a 50-million click lifespan provides durable, consistent, and accurate tactile feel with each click for maximum responsiveness; and the use of a PMW3360 gaming grade optical sensor with up to 12000 DPI provides superior accuracy and precision gaming. Equipped with 16.8million RGB illumination, gamers can customize their battle colors for added atmosphere. Additional features such as profiles, macro, lighting effects, colors and button controls can also be customized via software. PATENTED KEY SWITCH SYSTEM Customize up to 12 switch keys, allowing gamers full flexibility to customize controls on their favorite games. Each of the 12 buttons can be fully remapped via the gaming software and designated macros saved to onboard memory for use on any system at any time. Enhance your FPS/RTS/MOBA/MMO gaming experience. Dynamic 16.8M RGB Backlighting Customizable three-zone backlighting with 16.8 million RGB illumination and 8 unique lighting effects provides almost limitless color options and atmosphere to your preferred gaming style. PIXART PMW-3360 OPTICAL ENGINE The NEMESIS Switch Optical RGB Gaming Mouse provides super accurate and high-speed tracking with up to 12000 DPI for the widest variety of surfaces. 50 MILLION CLICK RATED OMRON SWITCH With reinforced key switch design ensures force distribution of each click is balanced and even more durable. ERGONOMIC REST PLATED DESIGN Crafted to fit your palm for the highest level of comfort no matter your hand size or grip style TT ESPORTS COMMAND CENTER PRO New software allows gamers to adjust a variety of settings to suit their playing styles. These include: mapping buttons, setting macros, profiles, colors, lighting effects, performance and surface calibration.