This dual purpose 2 in 1 alarm acts as a burglar alarm and a personal alarm.
Hang it on the inside of any doorknob (non-metallic doors only) and it instantly and automatically alerts you if anyone on the outside touches the doorknob.
Or as a personal alarm, you can carry it with you and just pull out the metal chain to instantly sound the 120 decibel alarm. Operates on (1) 9 volt battery (not included)
Small and compact. Great for home or travel.
Only $9.87