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This 2-in-1 personal burglar alarm hangs on a door knob and sounds a 120dB alert when the door or knob is disturbed. No permanent installation required.
Original price was: $10.95.$9.31Current price is: $9.31.
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This 2-in-1 personal burglar alarm hangs on a door knob and sounds a 120-decibel alert when the door or knob is disturbed. It gives you a portable way to add noise at a bedroom, hotel, dorm, apartment, or office door.
No screws, wiring, or permanent installation are needed. Hang it on the knob, set it according to the product directions, and test it before use.
The door-knob design makes this alarm easy to move from one room to another. It can be useful for travelers, renters, students, caregivers, and people who want to know when a door is being handled.
One customer shared that she used it on a bedroom door so she would hear when her grandmother with dementia touched the knob at night. That is a good example of how a simple alarm may support awareness without permanent installation.
The listed sound level is 120 decibels. Keep the alarm away from your ears during testing because high sound levels can damage hearing.
The device runs on one 9-volt battery. Test it regularly and replace the battery when the sound becomes weak.
The alarm measures 4 1/4 inches by 2 1/4 inches by 1 inch and weighs 0.23 pounds. Its compact size makes it easy to pack or move between rooms.
Door shape, knob material, movement, and placement can affect how any hanging alarm responds. Test it on the exact door where you plan to use it.
This alarm does not replace locks, working security systems, or direct supervision when someone needs care. It gives you a loud alert when the door knob is disturbed.
I’ve been in the self-defense and security products industry since the early 90s, and I stock products that make sense for everyday people. This 2-in-1 personal burglar alarm is portable, straightforward, and useful for anyone who wants an extra sound alert at the door.
| Decibles | 120 db |
|---|---|
| Battery | One 9 Volt |
| Color | Black |
| Included | Pull Chain |
| Weight | 0.23 lbs |
| Dimensions | 4 ¼" x 2 ¼" x 1" |
Corina P –
I put this on my bedroom door because my grandma with dementia will touch my door knob to wake me to help her to the bathroom. Works perfect for me. Good price and shipped on time thank you.