Personal protection and safety assurance. Personal alarms are designed to help you seek help in times of trouble or danger. The 140-decibel sound draws attention even from a distance, and it stays on for about 60 minutes if not stopped. So don't put it next to your ear. Quality materials and reuse. The ABS material strongly guarantees the strong resistance of this panic alarm, making it more durable. The battery is also replaceable and the security audible personal alarm is a non-disposable product. Practical abilities and decorative effects. Self-defense alerts can help send a distress signal in the first place and deter an attacker as quickly as possible. The rendition and mini design help to disguise as a bag decoration so attackers won't notice it. LED flashlight and key ring design. Portable security sirens with flashlights light up sidewalks in the dark, reducing your fears. Hang the emergency alarm on keys, school bags, backpack zippers, belt loops, school bags, etc. Widely used and versatile. Perfect for students, children, elderly, women, patients, disabled, night walkers and anyone else. A small alarm can play a big role in protecting yourself. Why not try it?