Werma signaltechnik variosign led signal tower werma signaltechnik 69030055 the werma signaltechnik 69030055 is a 2 sided variosign led signal tower with permanent lights in red yellow and green the signal tower offers maximum functionality and is cost effective one of the main features of the new variosign is the modern electronics and innovative design the variosign can be used in applications where the design and appearance are important the signal tower is supplied with an integr