The M8000X has the ability to self-adjust lift-off distance from different surfaces to optimize tracking precision. Press and hold the profile switch button and move the M8000X across desired surface for auto self-adjustment. Professional-grade laser sensor offers lightning fast 12,000 fps image processing capability for absolute control and precise mouse movement.GHOST™ macro engine which features intuitive interface allows you to pre-define up to and switch between 9 programmable buttons easily for the latest PC gaming titles. Onboard memory supports 5 macro profile memorization for the gamer on the go.800/1600/3200/5600 4-Stage DPI adjustable switch with 4-Stage LED indicators for quick on-the-fly DPI adjustment