The 2-in-1 says “Don’t touch me” to a potential intruder with an ear-splitting warning!

Ever vigilant protection for your home and person. The first thing a home intruder touches is your door knob. When they do, this unique home alarm system instantly sends out an ear-splitting 120 db siren that will have the intruder headed for the nearest escape route.No wireing needed.  This alarm works on wooden doors, composite doors, and plastic doors that have non-metallic frames with a metal door knob - does not work on metal doors.   This versatile instrument can also be used as a personal emergency alarm by pulling out the pin attached to the metal chain. It’s superb convertible protection.

Uses one 9 volt battery (sold separately).