Lightweight PixArt PMW3389 Sensor Pre-sorted KAILH switches Professional gaming mouse made for ambitious gamers with style, patented analogue technology with signal processing under 1 ms, Pixart sensor PMW3389 with up to 16,000 CPI, preselected Kailh GM 4.0 switches designed for 60 million clicks, low weight of just 2.89 ounces & 0.08 inches LOD, large and low-friction PTFE glides for maximum precision, RGB lighting spread across three zonesShine like never before!Thanks to 14 RGB LEDs the mouse wheel, logo and the RGB ring at the bottom of the mouse can be illuminated with up to 16.7 million colours. A total of five lighting modes with different effects and four brightness levels are available. The XM1 RGBs well thought-out software has been implemented to be resource-saving and wont affect system performance, thereby ensuring an optimal gaming experience. The software, also enables additional buttons to be reassigned, up to four CPI profiles can be created and the XM1 RGBs illumin