1.Resolution:800dpi/400dpi? 2.3D optical 3.Ergonomically shaped 4.USB ,PS2 are available 5.Operating system: windows 98/2000/ME/XP 6.Optical scan rate: 3000 F/sec 7.Button Life: 3 million cycles 8.Moving life: 480 km 9.Dimension:116(L)*62.5(W)*38(H)