Answer: flashlight

AnswerCrossword Clue
FLASHLIGHTWhat Brits call a "torch"
FLASHLIGHTFirefighter's illumination
FLASHLIGHTCamper's equipment.
FLASHLIGHTTheater usher's need
FLASHLIGHTSleuthing aid
FLASHLIGHTEmergency tool
flashlightA flashing light used for signals and in lighthouses
flashlightA battery-operated portable light
flashlighta sudden bright artificial light used in taking photographic pictures
flashlightA light giving an intense flash, used for photographing at night or indoors