SelfTek Emergency Alarm, 120 DB Personal Alarm Keychain Safety Alarm Providing Powerful Self Defense and Property Assurance for Kids, Women, Elderly [Random Color] LOUD SOUNDS - The security alarm is perfect fit for any situation; The 120 decibel can effectively protect you from having an emergency and seek help to prevent the damage from the attacker; The alarm could be your good helper when you have troubles or need help EASY TO USE - The personal security alarm simply pull out the switch pin from the device. Push the pin back in to stop the sound. carry or hang on the bedside at night,encounter a attack, mouth can not speak of the situation, pull the siren for help PERFECT DESIGN - This self -defense tool is small size portable, power, less loss,easy to be attached to backpack, purse or keys for convenient WIDELY USE - Suitable for people at all ages such as students, elderly, children, women, night workers and so on; The alarm is a useful self-defense tool for traveling, hiking, camping and dog walking at night REUSABLE - Push pin back in to stop sound and use again