+ 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!