Setup is tricky, and the key with this lock is when programming your thumb/finger, really get it into a groove on the scanner that you can repeat - it has to be in the same position on the scanner each time to be recognized (although it's really not that picky). I have had this for about 4 months now and I've probably only had 5-6 denials. No battery changes yet. I would only recommend this lock for indoors, because water (even a damp finger) seems to disrupt the recognition system. Oh, and if you are having trouble keeping the lock from wiggling during operation, use crush washers on the bolts that run through it. I've gotten a ton of compliments on the lock, if you're looking for a little "wow" factor when someone enters your residence, it will definitely give you that.
This is a great product, but it is a bit "fussy" and "sensitive" and will simply not read some people's fingerprints. Also, i frequently have to try 2-3 times before it accepts mine. none the less, I love being keyless!
Difficult to install. Does not fit well. Will not read ANY of my fingerprints. Entering the number code works well. If anything it may deter break-ins (or they'll just kick the door in!). It was not comforting to read that you could NOT return/exchange once you opened the box. Yet the only way to get the template and instructions to see if it would even fit on our door was INSIDE the box! Wonder how many people just gave up and threw the thing away. We were determined to make it work. If you can spare a day of agony and frustration and get it installed and reading prints, you'll be fine. The fact that no one can get "locked out" of the house because they forgot keys or lost them, is worth it in the end.
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