1.Pull out the keychain,it will emit 130dB alarm and led light flash,inserted in,alarm will stop.
2.SOS Alarm:Press the SOS button 2 times quickly to activate alarm,press again ,alarm will stop.
3.The side button control LED light,press the button, light will always be on,press twice the light will flash;Press again light will turn off.
4.USB Rechargeable Battery:The personal alarm is made of rechargeable batteries,comes with a USB cable charger.The light will going on when charging and will go off when full power
