Microsoft Wheel Mouse Optical 1.1a
Price: 7
Size: 125mm x 65mm x 36mm
Shape: Symmetrical
Buttons: 3
Wheel: Vertical
Sensor: Optical
Resolution: 400 DPI
USB Rate: 125 Hz
Linear Limit: 1.00 m/s (40"/s) [1.55 m/s (60"/s) @ 1000Hz]
Skipping Point: 2.10 m/s (83"/s)