Wide Range of Use Groups: Commonly used when you feel unsafe or physically threatened to get the help you need quickly. It’s the perfect gift to share––with your sisters, daughters, mothers, friends, students, colleagues, and elders in your community. Portable Lightweight: The Security Alarm with perfect double buckle design, And the whole is very small and portable. Easily attaches to backpacks, purses, belt loops, luggage, keys, and more. Easy to use: This Personal Siren has a modern design and is very easy to use. To activate, remove the top pin. To deactivate, replace it. The operation is simple, even the elderly and children can operate perfectly. Rechargeable and Good Quality: The Rechargeable Portable Personal Alarm uses superior environmental and durable ABS plastic, each siren is hand-tested for high impact resistance and is sturdy for the best protection for you. 24/7 Emergency Safety Defense Alarm. Strong Protection Function: This Personal Safety Alarm has a loud 130dB sound and a flashing strobe LED light. When you're threatened, activate a loud siren and flashing strobe light to create a diversion and to help deter an attack. The personal security alarm will continue to work for 70+ minutes and the sound reaches 656+ feet until the push pin is inserted.