Werma signaltechnik base mount rotating yellow warning beacon 280 series werma signaltechnik 28032055 the werma signaltechnik 28032055 is a base mount rotating yellow warning beacon the beacon features a smooth and quiet rotator the beacon has intelligent and efficient electronics and all the advantages of led technology meaning low energy consumption and a long service life the optical reflectors of this beacon maximises beam pattern and light output werma signaltechnik 28032055