High strength LED technology long service life large volume 102dB (A) There are 5 different colors of power 24 VDC or 230 VAC (103-253 VAC) protection such as IP66 seawater resistant aluminum shell customer benefits under harsh conditions high visibility using modern LED technology, Long life provides an additional 24 VDC and 115 VAC power supply. More flexible applications for indoor and outdoor use in harsh environments shipbuilding and Marine use with the same assembly size as previous versions