Type: Cursor Controls P25

Ball size: Ø25 mm

Sealing type: PTFE seal

IP protection grade: IP65 (statically)

Resolution: 158 pulses per ball revolution

Ball material: Phenolic/polyester

Type: Cursor Controls P38

Ball size: Ø38 mm (1 1/2½)

Sealing type: Full-floating PTFE seal

IP protection grade: IP65 (statically)

Resolution (nominal): 241 pulses per ball revolution

Ball material: Thermoset Phenolic

Type: Traxsys (Penny&Giles) D50

Ball size: Ø50.80 mm (2½)

Resolution (nominal): 960 pulses per ball revolution

IP protection grade: IP65 (statically)

Ball material: Thermoset Phenolic

The touchpad is based on an electrical capacitance system that allows smooth cursor control without finger pressure. The touchpad is connected directly to the PS/2 or USB port and is fully compatible with standard Windows 95, 98, NT, 2000 and XP mouse drivers.

Type: Cirque TSM9920

Active area: 62.5 × 46.5 mm

Resolution: 40 counts/mm

Sample rate: 100 samples/s

Lifetime: 1×107 strokes (500 km) (typical)