It looks like a big flashlight — but it's really a nonlethal weapon designed to make you sick.

Its inventors call it the LED Incapacitator (L-E-D, as in light-emitting diode). Weapons buffs call it a nonlethal weapon. But test subjects who have buckled and reeled from its nauseating strobe call it other names—none printable.

http://www.mindmodulations.com/mindmods/general/flashlight-weapon-makes-targets-throw-up.html