ALOL5 and ALOL6
ALOL5 and ALOL6 is a low intensity type A or type B signalling lamp designed to mark obstacles in aviation. This type of equipment is intended for installation on high l buildings, towers, poles, and others that according to ICAO requirements, should be marked as obstacles in aviation.
Information about ALOL5 and ALOL6 - HERE.
Information about installation parts suitable for ALOL5 and ALOL6 can be found - HERE.