Zelotes THINKTANK T90 9200 DPI 8 Buttons, Wired USB Gaming Mouse, Black Adjusting DPI: 6-speed adjustment,1000/1600/2400/3200/5500/9200 DPI,1000 DPI red light flash 3 times,1600 orange,2400 green,3200 light blue,5500 blue,9200 purple. Compatible system: Windows 98/ 2000/ ME/ NT / XP/ win 7/ win 8/ win 10/ Mac OS and other OS,plug & play Fire key: short press to double click, long press more than 2 seconds to switch triple click,light flashes 3 times represents successfully switched. LED Light Modes Switch: short press to switch 7-color cycle breathing+6 single color breathing+6 single color constant light,A total of 13 kinds of light mode ,long press more than 2 seconds to turn off the lights. Quick thumb function: fast forward or backward when browsing the web,forward of backward at the same folder window.