Laser pointer
HANDHELD DEVICE THAT EMITS A LASER
Laser Pen; Laser Pointer; Laser pen; Green laser pointer; Laser gunsight; Laser pointers; Laser pointed
A laser pointer or laser pen is a small handheld device with a power source (usually a battery) and a laser diode emitting a very narrow coherent low-powered laser beam of visible light, intended to be used to highlight something of interest by illuminating it with a small bright spot of colored light.