The 2-in-1 says “Don’t touch me” to a potential intruder with a 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 siren that will have the intruder headed for the nearest escape route. It works on all non-metal doors containing a metal door knob. 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).