The customizable Corsair Nightsword RGB Performance Gaming Mouse features a state-of-the-art optical sensor with 18,000 DPI, advanced weight calibration, and a real-time center of gravity detection system. Its comfortable and ergonomic design, along with ten programmable buttons and extremely durable Omron switches, ensures top-notch gaming performance. Two weights and six attachment options allow for over 100 different settings to adjust the weight between 119 g and 141 g. With Corsair's iCUE software, you can intelligently adjust the weight system in real-time, control the dynamic four-zone RGB lighting, create custom macros, and calibrate your mouse to your gaming surface. Additionally, the Nightsword RGB guarantees a perfectly calibrated gaming experience anywhere and anytime, as your settings are always saved with the onboard profile storage.