Razer Diamondback Salamander Red 1600 DPI Gaming Mouse 1600 dpi sensors with frame rate of 6400 frames per second (5.8 megapixels per second) High speed motion detection, up to 40ips and 15g 16 bit data path, as compared to 8 bit and 12 bit data paths used by other conventional mice Optical sensors always on - providing instant response at all times 7 buttons, all fully programmable and optimized for gaming response