140 DB Personal Safety Alarm Self Defense Keychain Purple with LED Light, Security Alarm Personal Alarms for Women ,Kids,Man,Night Workers, Elderly SOS Alarm Emergency AOLANSBrand: AOLANS Color: Purple Features: Purple alarm keychain 140db Personal Alarm : turn on 140db alarm when you are in danger, difficulty or need help. In an emergency, our life needs an Security alarm. You can put them on backpacks, backpacks, belt loops, suitcases, key straps, etc. You can also bring them on the plane. Good Helper self defense keychain: when you're in trouble or in need of help, these clocks can make a loud noise to get someone's