Corsair katar is the gaming mouse in its purest form an 8 000 dpi zero acceleration optical sensor a compact and light weight design tuned for exceptional comfort and feel programmable fast response buttons and polling that pushes the limits of the usb protocol all work together to provide the responsiveness demanded by the worldrsquos fastest gamers and with our exclusive pro player mode you can instantly take advantage of performance and tuning settings created by some of the top player