speculative handheld device theme

There is a futuristic device, like a "sonic razor", designed to be held in the hand.

3 total · 1 major · 2 minor

StoryLevelMotivation
as1985e1x10 major Walter found himself in the possession of a remote control that could make people vanish or change into other people. It could also manifest characters on television into reality.
futurama1x13 minor Fry and Bender used Farnsworth's F-ray flashlight to look inside various people and objects.
tos2x26 minor Gary was in possession of a nifty spy pen inspired device.