Werma signaltechnik led buzzer continuous pulse werma signaltechnik 42011075 the werma signaltechnik 42011075 is a buzzer in combination with an led permanent beacon the base mount combination unites a very bright light signal with the powerful pulse sound the light and sound can be separately triggered for two stage signalling if required this easy to mount buzzer has a maintenance free operation with a life duration of up to 50 000 hours werma signaltechnik 42011075 led buzzer co