High Volume of 130 dB: A loud 130 dB personal alarm with a keychain attracts attention even from a distance. 130 decibels can effectively scare away attackers in danger and alert people around you for help; it will be your good helper when you encounter trouble or need help. MINI LED LIGHT: The emergency alarm also functions as an LED flashlight, making you safer when walking your dog late at night or opening your front door late at night. You spend most of your time in the dark. Easy to Use: Simply pull the pin to activate the alarm. After use, reinsert the ring into the hole to trigger the alarm, suitable for the elderly, children, and women. Keychain Design: Disguised as a decoration, this beautiful mini keychain alarm is small enough not to attract attention. The portable alarm keychain design makes it the perfect companion to hang on handbags, backpacks, belt loops, suitcases, and keys. MULTIFUNCTIONAL: This alarm is an essential safety item when traveling, hiking, camping, and walking the dog. Designed for people of all ages, such as students, child safety guards, hikers, joggers, seniors, night owls, lone workers. Product size 88*31*18mm NOTE: When the battery is low, the warning sound and indicator light will dim. Consider replacing the battery. Note: All data is measured manually, please allow 1-3 cm error due to differences in light and display, there may be color differences, please refer to the actual item received.