Razer Basilisk Gamin...

High-Precision 16,000 DPI Optical Sensor:
Offers on-the-fly sensitivity adjustment through dedicated DPI buttons (re-programmable) for gaming
Customizable Chroma RGB Color Profiles:
Includes 16.8 million color combinations w/ included preset profiles
Quick DPI Toggle for FPS Gaming:
A replaceable side button for different hand sizes allows for quick, temporary switching to lower sensitivity settings for instant sniping
Personalized Scroll Wheel Resistance:
A physical allows for scrolling to be as clicky or smooth as desired
8 Programmable Buttons:
Allows for reconfiguration and assignment of complex macro functions through Razer Synapse
Durable Mechanical Switches:
Supports up to 50 million clicks