Full Details from Amazon.com : http://www.amazon.com/gp/product/B00076TH8S?tag=onigi-20

Razer Diamondback Salamander Red 1600 DPI Gaming Mouse

1600 dpi sensors with frame rate of 6400 frames per second 58 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