Ideal for night shift workers, elderly, disabled, joggers, and those traveling alone,protect yourself against intruders/attackers.
In case of emergency, pull out key-ring metal pin to activate siren120db) and draw attention of police or passerby.
When key-ring metal pin is inserted back into the alarm, it will stop sounding
To change battery: When the alarm sound goes low, please remove screws from back cover and replace 1 23 mA 12 V battery.
Warning: The alarm sound is very loud, never put the unit close to your ears.

Size (L W H) : Appro. 5 4 1.5 cm / 2.0 1.6 0.6"
Key chain length : 2 cm
Color : White
Powered by 1 23 mA 12V battery ( not included )
Siren Alarm*1
Original Package