Ear-piercing siren delivers 125 decibels of sound to startle an attacker and signal for help with the push of a button 12-volt 23 A battery is included and replaceable Built in LED safety light No TSA or travel restrictions, take it wherever you go Easily accessible and looks super-cute when clipped on backpacks, purses, and keys Blingsting is the #1 women’s safety brand and has been trusted by over 3 million women since 2013!