Microsoft Intellimouse Explorer 4.0
Price: 20
Size: 126mm x 72mm x 41mm
Shape: Right-handed
Buttons: 5
Wheel: Vertical+Tilt
Sensor: Optical
Resolution: 400 DPI
USB Rate: 100 Hz (average)
Linear Limit: 0.80 m/s (31.5"/s)
Skipping Point: 1.90 m/s (75"/s)