Not Your Average Door Lock.
The last lock you'll ever need.
100x stronger than a deadbolt.
Just as easy to use—and way harder to break through.
Loved by our 15,000+ Customers
Testimonials
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Easy Install!
“It took me under 10 minutes to install. I loved that it came with an extra drill bit!" - Dana L.
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Quick to Deploy
"I taught my 8 year old daughter to use our DoorBull every night to make sure our doors are secure.” – Jane K.
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Ultra Strong
"A couple weeks ago someone tried to kick in our front door. Fortunately, I had the DoorBull to keep my wife and kids safe." - Adam S.
The Door Bull
Our design makes forced entry impossible in inward opening doors.
Installs in seconds and comes with a hanger for easy access. Built tough with durable aluminum.
Developed Alongside Police Officers for Proven Protection
It's All Included
Reinforces your door using the strength of the frame to resist forced entry.
Comes with 6 heavy-duty screws to fortify your door hinges.
Made from tough, durable aluminum.
Drill bit and all parts included for easy setup.
A security innovation so effective, we patented it.
