S3B an ear-splitting, audible alarm system that is the perfect complement to our Smoke Screen generators. When activated the S3B produces a combination of frequencies that bombard the intruders ears. Creating an effect similar to motion sickness the thief is debilitated and has to move away from the source of the noise. Once out of range there are no lasting effects, the effect is completely harmless. The volume is also sufficient to alert local police or security personnel.