1.Anti-robbery personal security alarm 2. personal mini alarm for women security 3.ABS+electric component 4.120 ... spotlight in dark area. ·built-in 120db high output alarm. ·when you need help, you can pull out the ... metal pull pin. it emit a alarm sound instantaneously.·ideal for protecting joggers, elder, disabled, ... key-ring metal pin is inserted back into the alarm, it will stop.