Features: 130dB safety alarm with double activation modes (quick pull pin & double tap button) ensures emergency alerts and deters potential threats effectively. Keychain design features a LED strobe 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. Enhances protections during nighttimes walks, campus movements, or travels by combining piercing alarms with attention grabbing strobe effects. Rechargeable USB power design with battery monitoring ensures continuous readiness for emergencies while eliminating disposable battery waste. Specifications: Material: ABS Charging Port: Type C Alarm: 130dB Size: about. 86x28mm/3.39x1.1in Color: White/Black/Blue/Pink Package Includes: 1pc Security Alarm note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.