Flashing beam of light (6)
I believe the answer is:
strobe
(Other definitions for strobe that I've seen before include "Flashing, very bright beam" , "Sister to Hansel" , "Flasher" , "something flashy" , "Flashing lamp" .)
I believe the answer is:
strobe
(Other definitions for strobe that I've seen before include "Flashing, very bright beam" , "Sister to Hansel" , "Flasher" , "something flashy" , "Flashing lamp" .)