38.1mm IP68 dynamic waterproof (from the top)
With variable friction ring
Solid state optical navigation technology
Ball tracking force can be set from loose (10g) to high (120g) in 4 steps, ball can be removed
Maintenance free with no moving parts
Intrinsically and ESD safe operation
Retro-fit into most existing OEM designs
Quadrature, PS/2 and USB output
Anti-vandal options
Output cables and switch input cables (option)
Decontamination friendly