Personal alarm keychain provides Security for Your Loved Ones! With this keychain, you'll get noticed and get help, no matter the situation. When threatened, activate the siren and flashing strobe-light to create a diversion and deter an attack.Commonly used by seniors to call for help in case of falls, feeling unsafe, physical threats, medical emergencies, accidents, or allergic reactions. A great gift for parents, college students, and everyone who works evenings. A wonderful defense siren keychain.Customized is available.