Extremely powerful instrument of auditory destruction. It is an aerosol can connected to a horn. It is --o})LOUD({o--. You do *not* want to let loose with one of these anywhere near your ears. You can carry these in your car, that way if someone tries to steal the car while you're in it you have both a self-defense device and an alarm. These are a menace to society. You *need* one. Heh, heh.