Corsair KATAR Gaming Mouse, 8000 DPI, Backlit Red

Price: $49.99

Designed for winning: created with the help of top pro gaming teams around the world.
Pro player mode: Get up to speed with preconfigured performance and tuning settings customized by the world's top players.
Compact, ultra light weight design: At just 85 grams, it can help you react more quickly and reduce fatigue.
8,000 DPI optical sensor: extreme accuracy for FPS and MOBA gaming. Zero acceleration provides precise tracking for headshots or champion kills.
Zero lag interface: the 1,000Hz polling rate pushes the limits of the USB protocol for imperceptible lag.
Ambidextrous Shape: Optimized textured rubber sides grips for left and right handed players.
Four programmable buttons: take control with extensive customization -- anything from simple remaps to complex macros.
On-the-fly DPI tuning: instantly adapt your mouse speed to the situation for total command of any environment.