PUREX Technology 3000 DPI High Precision Programmable Wired Laser Gaming Mouse, 8 Programmable Buttons, 4 DPI Settings, 4 Color LED Indicating Profiles, Omron Switch, Rubber Coating Painting-PXE-M811S High Precision with 4 DPI sensitivity modes indicated by Breathing LED. From 1000 DPI to 3000 DPI, 1000 Hz polling rate, 60 IPS cursor speed, 20g Acceleration. Multilevel adjustable from 1000 DPI to 3000 DPI. The LED light can be turned off Macro Definition, Available Special Driver allows user to save 5 configuration files of macro definition. Driver can be downloaded at: https://www.dropbox.com/s/fxu17l7rqtgw07q/M811-3050_Gaming%20Mouse%20Driver-English.rar?dl=0