Full Details on Amazon.com : http://www.amazon.com/gp/product/B00A72ZQIM?tag=tsukuyomi-20

Mad Catz R.A.T.3 Optical Gaming Mouse for PC and Mac

Gaming-grade 3500 DPI Optical Sensor
Set and Toggle 4 Custom DPI Settings per Profile
3 Programmable Macro Buttons 9 User-definable Commands via 3 Modes
Powerful Macro Programming Software
Compatible with Windows 8 and Mountain Lion