130 db loud safe alarm: our security alarm keychain is designed to produce a 130decibel loud sound can effectively protect you from the emergency and seek help to prevent the damage from the attacker; The emergency alarm will last 40-60 minutes; The alarm sound is very loud, please do not put by your ears . Easy to use: pull out the bolt, the alarm will ring great loudly; Plug in the bolt, the alarm will stop sound immediately; Good companion for people who may walks alone or live alone for protection . Emergency LED flashlight: when you walking in darkness, press the switch button to turn on this bright mini LED flashlight with great assistance for a quick illumination . Small and portable: the personal alarm is tiny and hardly be drawn attention by attackers or intruders; It can be attached to women's bags, backpacks, school bags, belt loops, suitcases, keys, dog belts and so on; And you can take it even you are on the plane