ACCURATE OPTICAL SENSOR A state of the art PixArt PAW 3519 optical sensor with a DPI of up to 4200 allows for fast and accurate tracking Preset DPI is up to 3200 by hardware the max DPI is up to 4200 by software DURABLE BUILD QUALITY Enjoy years of gaming with switches rated for over 10 Million clicks and a gold-plated USB connector ADJUSTABLE WEIGHT SYSTEM Make the mouse as light or heavy as you want with the adjustable weight system ON THE FLY DPI CHANGE Instantly cycle through five DPI presets to adjust your accuracy for every situation WELL MADE The MSI?s exclusive dragon scale side grips bring more faith with unique touches Special polygonal designed side buttons allow you to flick with speed and ease RAPID CLICKING WITH GREAT PRECISION Combining the gaming switches that last over 10 Million clicks and a Pixart Optical sensor that delivers up to 4200 DPI the GM08 is both accurate and reliable in the heat of battle A line engraved scroll wheel and side grips ensure a solid grip on the game Preset DPI is up to 3200 by hardware the max DPI is up to 4200 by software