Rechargeable USB power design with battery ensures continuous readiness for emergencies while eliminating battery waste For women , elderly individuals , and children requiring accessible security solution during commutes or outdoor activity Keychain design features a LED light for visibilities and a metal clip for secure attachment to bags or clothing 130dB alarm with double activation modes ( quick pull pin & double tapping button ) ensures alerts and deters potential threats effectively Enhances protections during nighttimes walks , campus movements , or travels by combining piercing alarms with attention grabbing effects, Manufacturer: ERRORY