Mad Catz MCB4370800C1/04/1 R.A.T.7 Mouse for PC: * 4 custom DPI settings * 6,400 DPI * "Twin eye" laser sensor that reads each axis separately for pinpoint accuracy * Precision aim mode * Custom weight system to suit user"s preference * Adjustable length to accommodate hand size and grip preference * Thumb panel moves forward, backward and pivots outward for effortless gaming * Interchangable pinkie grips and palm rests * Incredible tracking in a fresh, new design * Color: Contagion White