The CORSAIR NIGHTSWORD RGB Performance Tunable Gaming Mouse is equipped with a cutting-edge 18,000 DPI optical sensor, sophisticated weight calibration and a real-time center of gravity detection system. PRECISE WEIGHT CALIBRATION Two sets of weights and six mounting locations offer 120 different weight and balance configurations. SMART TUNABLE WEIGHT SYSTEM CORSAIR-exclusive software automatically detects the mouse’s center of gravity in real time, allowing you to adjust the weight between 119g and 141g and fine-tune balance to perfectly fit your grip. PRO COMFORT Built with a contoured shape that naturally fits your hand, with high-performance rubber grips inspired by pro sports equipment. POWERFUL PRECISION Hit all your skill shots and stay zeroed-in on your targets. Total sensitivity customization and ultra-accurate tracking are at your disposal with a custom Pixart PMW3391 optical sensor which adjusts in 1 DPI resolution steps. INTELLIGENT CONTROL. UNLIMITED POSSIBILITIES. Vivid dynamic RGB lighting control, sophisticated macro programming and full-system lighting synchronization with compatible CORSAIR peripherals, coolers, fans and more.