Sound grenades are a crime prevention device which has been documented to prevent muggings and reduce campus crime rates. The tiny non-violent device is a 120-decibel alarm the size of a USB drive. The device deters preventable crimes across the country on a regular basis, and universities from coast to coast have been handing the device to students.

Please see the video below for more information.
Robocopp SOS Personal Alarm

 
 
 
Fresno State Student Housing