Krait 1600 dpi 3 button Gaming Mouse. Optical Engine powered by Razer Precision. 1600 dpi for increased precision and accuracy. High speed motion detection, up to 40ips and 15g Frame rate over 6400 frames per second - 5.8 mega pixels per second, 16 bit data path, compared to 8 bit and 12 bit data paths used by other conventional mice. "Always On Mode" for INSTANTANEOUS response at all times.