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Door Knob Alarm

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Protect Your Entrance! Once you hang this on your indoors door knob, if anyone from the outside touches the knob, the alarm will go off and you will know someone tried to open the door without knocking. Polite people knock and await your arrival to let them in.

Bad guys will try to open the door to see if it is unlocked. This door alarm will let you know immediately if anyone tries to gain access to your home, motel room, or even bedroom. Acts as an additional security layer to pre-warn you of an attempted break-in or unauthorized entry.

This door knob alarm is a dual purpose 120db alarm. It acts as a both a burglar alarm and a personal alarm. Hang it on the inside of any metal door knob and it instantly and automatically sounds when an intruder touches the door knob on the outside.

If someone touches the door knob, this alarm will blast away!

Excellent sleepwalker alarm. Hang on the door and if the sleepwalker grabs the door knob, the alarm will sound.

door alarmAs a Personal Alarm - Carry it with you and just pull out the metal chain to sound the alarm and deter an assailant.

The 2-in-1 door knob alarm may be placed in hand, pocket, or handbag with the attached metal chain wrapped around the wrist so that if the user is being attacked, or the handbag snatched, the metal chain is pulled out and the alarm is activated.

The loud piercing siren will continue sounding until the metal chain is plugged back in. Uses one 9-volt battery (not included).

  • Sounds instantly when an intruder touches the door knob
  • 120db
  • No wiring needed
  • Installs in seconds
  • Operates on all metal door knobs. This alarm works on wooden doors, composite doors and plastic doors that have nonmetallic frames.
  • Does not work on metal doors. If you need one for a metal door, try this one.

Door Knob Alarm

Alarm on Door

This multi purpose security device is great for home or away. The door handle alarm does it's job while you sleep or just want privacy and want to know if someone is about to come inside.

Dimensions: 4 ¼" x 2 ¼" x 1"

This device works well on wooden doors, but not metal ones. Also the alarm siren is not as loud as other devices (such as the door stop alarm).
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