Werma signaltechnik led permannent light ultrabright werma signaltechnik 64428055 the werma signaltechnik 64428055 is a green led continuous ultrabright light element for kombisign 70 and 71 signal towers this innovative ultrabright is up to 20 times brighter than conventional led beacons making it almost certainly the brightest permanent light that the world of signalling technology currently has to offer the intelligent electronics ensure that the leds operate at maximum brightness