Hella Warning Light 1LxHELLA Beacons. Play it safe with beacons from HELLA. Whenever a special visual warning of dangerous situations is needed, beacons are the answer. This is by far not only the case for rescue operations, but also applies to work operations with large, heavy and or slow moving vehicles, such as combine harvesters or heavy goods vehicles. HELLA beacons have a strong warning effect and thus signal to other road users: Attention, please be considerate work