8200 DPI Laser Doppler sensor with high-speed motion detection and 4 customizable DPI settings Adjustable lift-off height avoids issues with tracking on the z-axis Oversized Precision Aim button enables on-the-fly cursor sensitivity adjustment Intuitive drag-and-drop software interface accommodates 27 user-definable commands via 9 programmable buttons over 3 modes Fast and lightweight - weighs only 90 grams excluding the cable 8200 DPI Laser Doppler sensor with high-speed motion detection and 4 customizable DPI settings Adjustable lift-off height avoids issues with tracking on the z-axis Color Name:Red Nimble, customizable, and immensely precise, Mad Catz' Tournament Edition R.A.T. Gaming Mouse provides the speedy mouse movement competitive gamers require. Adjustable lift-off height enables the 8200 DPI sensor to be set to a level which sidesteps z-axis tracking issues. Precision Aim mode permits on-the-fly cursor sensitivity adjustment to steady your aim. And, a simple yet powerful drag-and-drop software interface can equip each of the nine programmable buttons with custom macros. Designed by and for hardcore PC gamers, the Tournament Edition R.A.T. Gaming Mouse is a fierce weapon that puts a full arsenal of cutting-edge features at your fingertips.