Personal Protection and Safety Guarantee: Personal alarms are designed to help you seek assistance in emergencies or dangerous situations. The loud 140-decibel sound attracts attention even from a distance and lasts for approximately 60 minutes if not deactivated. Please avoid holding it close to your ear. Quality Material and Reusability: The ABS material ensures the strong resistance of this panic alarm, making it more durable. The battery is also replaceable, making this safe personal alarm a non-disposable product. Practical Functions and Decorative Effects: Self-defense alarms can help send an emergency signal and deter an attacker as quickly as possible. Its compact design allows it to be disguised as a bag decoration, making it less noticeable to potential attackers. LED Flashlight and Keychain Design: Portable safety sirens with flashlights illuminate sidewalks in the dark, reducing your anxieties. Attach the emergency alarm to your keys, school bags, backpack zippers, belt loops, and more. Wide Use and Versatility: Perfect for students, children, the elderly, women, patients, people with disabilities, night walkers, and anyone else. A small alarm can play a significant role in protecting you.