Safesound Personal Alarm Siren | SUPSAS85

Personal alarm siren is Made of rechargeable lithium battery, not button battery. Do not need to replace the battery, directly use the usb data cable to charge and charge time is only 30 minutes.Up to 50 mins of continuous sound to ensure emergency use. It will replace self defense weapons to protect your safety, as pepper spray.You can pull the contact pin out or press the switch 2 times quickly, to activate alarm.Lightweightand portable Alarm Keychain: Self defense alarm can be attached to purse, backpack, keys, belt loops, and suitcases. It also can be brought onboard a plane, really convenient, fit for students, joggers, elders, kids, women, night workers.