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