sensor: optical resolution: 100-4000dpi buttons :14 internal memory: 64kb macros: 40 profiles: 5 polling rate : 125-250-500-1000hz cable length : 180cm interface :usb dimensions : 121x74.5x39.5 weight: 120gr +(2.4x8gr extra weight) os : windows 2000/XP/VISTA/7/8/10