140 Decibel Loud Security Alarm: Our security alarm keychain is designed to produce a loud 140 decibel sound, which can effectively protect you from emergency situations and call for help to prevent damage caused by attackers The alarm clock is very loud, please don't put it on your ears. Easy to use: pull out the bolt, the alarm will sound; plug in the bolt, the alarm will stop sounding immediately; a good companion for people who may be walking alone or living alone Emergency LED Flashlight When you're walking in the dark, press the switch button to turn on this bright mini LED flashlight, which is a great help for quick lighting Compact and Portable: The personal alarm is small and portable and hardly vulnerable to attackers or Attracts attention to intruders; can be attached to women's bags, backpacks, school bags, belt loops, suitcases, keys, dog leashes, and more Monitors are calibrated differently, the color of the item shown in the photo may be slightly different from the real item. Please refer to the actual product.