Full Details from Amazon.com : http://www.amazon.com/gp/product/B0095D1CM8?tag=onigi-20
Mad Catz R.A.T.7 Gaming Mouse for PC and Mac
Custom Weight System
Precision Aim Mode
6400 DPI and 4 Custom DPI Settings
5 Programmable Buttons Per Mode
Powerful ST Programming Software
Lightweight Metal Chassis
