Zelotes 4000 DPI Programmable Gaming Mouse for PC Computer Laptop, 12 Programmable Buttons, Weight Tuning Set,Wired USB Connection, Black Customize DPI Switch: 1000/1500/2000/4000,the default resolution is 1000 DPI,Polling Rate:up to 1000Hz, 24G ACC. DPI,Polling Rate and Acceleration settings are closely related to the game performance,C12 provides extreme stability while gaming. Up to 8000DPI by the Software Number of keys: 12 keys : Left key and other 11 programmable keys which include Right key, Mid key,DPI+,DPI-,Triple key and 6 macro definition Single keys 6ft high-strength braided fiber cable and anti-skid scroll wheel .High-precision optical sensor for reliable responsiveness and stability for fast gaming Ergonomic design,internally and externally,to create the ultimate game concept,long-term use without fatigue.flexible adjusted weight Compatible with Windows 2000/ME/XP/Vista/7/8/10