Personal safety alarm.
Pull the hook and it will sound an extremely loud alarm up to 130db and will also flash an emergency light.
If you feel that you are in danger, pulling this alarm will draw attention, this could save the life of you or a loved one.
It is usb rechargeable so you don't have to keep worrying about buying and changing a battery.
When the battery is low, the led light will flash 3 times to remind you to charge it.