Global Barking Dog sound touch activated door knob alarm NWT

Global Barking Dog sound touch activated door knob alarm NWT. Protect your home or office. Simple operation switch on to use. No alignment needed. Loud barking dog sound alarm. Electronic touch activated sensor. Adjustable sound volume. Requires one 9 volt battery, not included. NOTE: the barking dog alarm works on most wooden doors with metal knob. This unit is not applicable for metal door or gate, and metal door frames. Great if you live alone! Bin N44 Check out my closet, SDLION12 for more great deals! I do accept offers, and I will bundle items to save on shipping (10 pound limit)!!