Features: 1) Laser mouse, adopt new laser technology 2) High hardware solution: 800DPI /1,600DPI 3) Ergonomic designed 4) Can be operated on many surfaces that proved difficult for traditional LED-based optical navigation 5) High performance 6) Laser fault detect circuitry on-chip for eye safety compliance 7) Compatible with Windows NT, 95, 98, 2000, ME, XP 8) OEM order welcome