Full Details from Amazon.com : http://www.amazon.com/gp/product/B00EVVNMQI?tag=onigi-20
Tt eSPORTS Thermaltake THERON Infrared Gaming Mouse (MO-TRN006DTM)
128K Onboard memory Store 5 different profiles up to 40 programmable macros
Powerful 4000 DPI Infrared Engine
Design for FPSRTS games
Function lock button