130db PERSONAL ALARM: The alarm keychain can make a loud sound to draw attention to protect you from haing an emergency een at distances. In addition, the sounds could last 50 minutes continuous ear-piercing alarm. 130db PERSONAL ALARM: The alarm keychain can make a loud sound to draw attention to protect you from haing an emergency een at distances. In addition, the sounds could last 50 minutes continuous ear-piercing alarm. BEAUTIFUL AND DURABLE: The alarm keychain uses superior enironmental and durable ABS plasticn, resistance to fall, crush and oltage, and high temperature, and the copper plug, not rusty, heart Shape design ,beautiful and durable, won't break in your most aderse conditions. COMPACT AND CONENIENT: The safety alarm keychain has a portable size for easy storage and carrying; It can be attached to women's bags, backpacks, school bags, belt loops, suitcases, keys, dog belts and so on; And you can take it een you are on the plane. EASY TO USE: The great heart-shape design makes these Personal Alarms fashionable and easy to grab, and its easy to operate actiator proides great conenience. Simply pull the link to actiate the Personal Alarm while insert the link in to stop. Really conenient for the elders and children. APPLICATION: The alarm keychain fit for Students, Joggers, Elders, Kids, Women, Night workers, Night owls and bag decors. A perfect companion for traeling, hiking, camping and walking the dog. Can be brought onboard a plane, really conenient.