These panel mount industrial grade 50mm trackballs, feature 7-color illumination of the total ball surface and the mouse button legends. Up to seven dierent colors can be selected by internal settings on the trackball or by remote dynamic selection via an output connector. For both selection methods, internal or remote, the illumination intensity can be dimmed. The total unit is sealed to IP65 static and comes with a silicon sponge to seal the carrier plate into the users' cabinet or console. The output is combo PS/2 & USB with auto-recognition and in both cases the current for the illumination is drained from the mouse ports.