The Photon Beam Searchlight is a high-powered searchlight used by Space Marines which is able to flash in short bursts, blinding any of their enemies who aren't wearing eye protection. Because of the large amount of power needed to illuminate the Searchlight's magnesium element, only Space Marines wearing Terminator Armour can use them.

光束探照灯是星际战士使用的一种高功率探照灯，能够短时间闪光，使任何没有戴护目镜的敌人失明。由于探照灯的镁元素需要大量的能量来照明，只有穿着终结者盔甲的星际战士才能使用它们。