Personal alarm
Very suitable for night shift workers, elderly, disabled, joggers, and those traveling alone

Personal alarm mode instructions:
In case of emergency, pull out key-ring metal pin to activate siren and draw attention of police or passerby
When key-ring metal pin is inserted back into the alarm, it will stop sounding

Batteries:
Use three 1.5V AG13 button batteries
When loudness of siren decreases, unscrew the battery cover on back of alarm to replace with new batteries of the same kind

Warning:
Alarm can give a very loud siren
Do not place alarm near your ear to avoid damages to hearing