It worked really well on my door, I do believe it is anti-theft because I accidently tighten the screw too much so I was unable to get my camera out of the box to charge! I had to break the holder in order to get camera and it was a lot of work, so if you are worry about this not being anti-theft because of the tiny screw, I reassure once you tighten that screw, it is hard to unscrew.
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