Execute advanced macros and functions seamlessly with a wireless gaming mouse that boasts 11 programmable buttons--including the renowned multi-function paddle. Featuring the fastest wireless connection on any gaming mouse, 20, 000 DPI optical sensor, and an optical mouse switch that actuates at the speed of light. Ultra-Fast Razer(TM) Hyper Speed Wireless Technology - Faster than wired gaming mice With extremely low latency, up to 70 hours of battery life, and seamless frequency switching in the noisiest environments. Razer(TM) Focus+ 20K Optical Sensor - For cutting-edge precision A 20, 000 DPI optical sensor ensures that even the finest movement of your mouse is tracked, giving you an acute level of precision for game-winning headshots and highly elusive maneuvers. 11 Programmable Buttons -For extended controls Assign macros and secondary functions for up to 11 programmable buttons, including the renowned multi-function paddle, to execute multiple moves quickly. Razer(TM) Optical Mouse Switch - For actuation at the speed of light Every click you make is actuated at the speed of light with no debounce delay so you\'ll always be the first to pull the trigger. The switches are also durable for up to 70 million clicks. 14 Customizable Razer Chroma(TM) RGB Lighting Zones - For personalized style The Razer Basilisk Ultimate features 14 Razer Chroma(TM) lighting zones with 16. 8 million colors, perfectly illuminating your gameplay. Each lighting zone can be individually programmed in Chroma Studio. Customizable Scroll Wheel Resistance - For personalized sensitivity You can adjust the scroll wheel resistance to your preference via a dial below the mouse. With personalized tactility, you\'ll enjoy a level of control that allows you to game at your best. Technical Specifications True 20, 000 DPI Focus+ optical sensor with 99. 6% resolution accuracy Up to 650 inches per second (IPS) / 50 G acceleration Advanced Lift-off/Landing distance customization Hyper Speed wireless technology