8200 DPI laser sensor - Precise tracking for highly accurate mouse control during demanding gaming sessions * Dedicated sniper button - Quickly switch resolution for extreme accuracy in FPS games * Second-generation control panel - Makes setup and customization easier than ever * Onboard profile storage ? Settings and profiles are stored directly on the M65 so you can take them with you * Aluminum unibody design - Built for low weight, high rigidity, and optimal mass distribution * 2 year warranty * Adjustable weight system - Three tuning zones to customize mouse weight and balance * Selectable response time - Choose between 1000Hz, 500Hz, 250Hz, or 125Hz (1ms, 2ms, 4ms or 8ms)