Optical gaming sensor ADNS-3050, 4000 DPI resolution Resolution: 500/1000/1500/2000/3000/4000 DPI FPS-Oriented Ergonomic Design USB interface, cable length 1.8m Included in the box is a Speed XC MM Mouse Pad. Dimension 260(W) X 210(L) mm (10.24(W) x 8.27(L) in).