Harmony XVB - Ø 70 mm modular beacons and tower lights (up to IP66). Totally flexible construction up to 5 lens units (6 colors of illuminated lens unit): simple interchangeability of units. Connector with removable base, axial or side cable entry, immediate assembly and fixing using locking ring. Separation of lens units enables immediate access when changing bulbs, automatic electrical connection between lens units. Reminder of position and function with colored marker pins, function legend plate carriers on base and function legend plates.