Watchdog Door Knob Alarm

Watchdog Door Knob Alarm Features:

• Requires no special wiring
• Simply hang on the inside door knob
• Inexpensive way to keep your home safe and secure
• System works even if the intruder comes within inches of the knob

Scare Off Unwanted Intruders. Piercing 130 dB Siren or barking dog. Inexpensive way to keep your home safe and secure. Requires NO special wiring. Simply hang on the inside door knob. System works even if the intruder comes within inches of the knob. Ideal for any door knob...at home, office, dorm, hotel room...anywhere. Takes one 9 volt battery. Simply hang this security alarm on your doorknob and set the alarm to sound like a siren or barking dog. As soon as the door is disturbed, the alarm will sound to warn you that someone is trying to enter. An effective way to frighten away intruders, it's ideal to use at home or in a hotel room.