Instead, the device would have emitted a tone over an open line monitored solely by federal agents, assuming they were listening at the time.
In the event of a fire, the device may emit dense irritating smoke.
Immediately, the device went hot in his hands and emitted a puff of acrid black smoke.
Sony's device emits truly blue light, which has a slightly shorter wavelength.
The device was similar to a flashlight and emitted a powerful yellow glow.
The device emits thousands of microscopic laser beams which penetrate deep into the skin.
These devices are worn on the head, hand, or other body part and can emit tracking signals.
The device emitted an audible noise when the serve was long.
The device emitted a high-pitched noise every few minutes.
The device emitted a buzzing sound, then stopped.