Answer: strobes

AnswerCrossword Clue
STROBES

Flashers

STROBES

Flashing lights

STROBES

Disco effects

STROBES
Photography lights
STROBES
Some disco lighting
STROBESDisco flashers
STROBESDisco lights
STROBESFlashes
STROBESAction freezers
STROBESSpeed-flash tubes.
STROBESVibration measuring devices: Colloq.
STROBESPhotography equipment
STROBESBalls at balls?
STROBESSome photography equipment
STROBESFlashers at a rock concert
STROBESDisco devices
STROBESTheater lights
STROBESSynchronous lamps
STROBESDisco fixtures