SABIK LIGHTHOUSE UNIT - LED light source to replace traditional lamp inside historical lighthouses. SLU-24/SLU-36 is a reliable and efficient solid-state light source to replace traditional lamps in rotating or fixed classical lighthouse optics. It extends the service life of traditional lighthouses without expensive and complicated re-work or decommissioning activities. Additional benefits are option for remote monitoring, lower maintenance costs, and possibility to transition to solar or other renewable power sources. All while maintaining the traditional appearance, existing optics, rotating beam, flash characteristics and heritage value of traditional lighthouses.