DLAND ZELOTES 12 Programmable Buttons LED Optical Professional High Precision USB Gaming Mouse Mice,4000 DPI (Up to 8000DPI by The Software), Weight Tuning Set 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 7, Windows 8, Windows XP, Vista, ME,2000,Mac OS and other OS.