sensor: laser resolution: 50-16400 dpi buttons :19 internal memory: 64kb macros: 40 profiles: 5 polling rate : 125-250-500-1000hz cable length : 180cm interface :usb dimensions : 122.5x92x42 weight: 158.8gr +(2.4x8gr extra weight) os : windows 2000/XP/VISTA/7/8/10