Loud 130dB Volume: This powerful 130dB personal alarm with a keychain is sure to attract attention, even from a distance. The 130 decibels can effectively deter an attacker and alert others to help; it will be a valuable aid when you encounter problems or need assistance. Mini LED Light: The emergency alarm can also be used as an LED flashlight, making you safer when walking your dog late at night or opening the front door after dark. You spend most of your time in the dark. Easy to Use: Simply remove the pen to activate the alarm. Once used, reinserting the loop into the hole will trigger the alarm. It is suitable for the elderly, children, and women. The alarm operates on 2 AAA batteries (included). Keychain Design: This aesthetically pleasing mini personal alarm keychain, disguised as a decoration, is small yet discreet. The portable design of this keychain makes it the perfect companion for attaching to bags, backpacks, belt loops, suitcases, and keys. Multiple functions: This safety alarm is essential for travel, hiking, camping, and walking your dog. Designed for people of all ages, including students, childcare providers, walkers, joggers, seniors, night owls, and those who work alone. Note: When the battery is low, the warning sound and indicator lights will dim. Consider replacing the battery.