It’s difficult to program I haven’t been able to actually put in a code, or figure it out ! I got my fingerprint to work and then it doesn’t; now I have to always find my key. It’s like your cell phone every time you put your fingerprint in your fingerprint changes. UghInstallation was straightforward replacement of my lockset.Reversing handle direction was straightforward, though the small screw seems odd - it needs to be not-tightened all the way or the plate goes over the top of it, so it has to be left loose. I used some loctite.The latch works very well, including the "anti credit card" feature (which appeared to be a problem for at least one other review).I programmed 3 fingerprints and codes easily.One thing I would like to be able to do easily - set "Normally Open mode" while I'm in my office during the day. I close the door when on calls, but don't need it to be locked whilst I'm inside.The suggested action - [ 5 5 5 lock - purple - admin ] - is very quirky.a) when you touch to wake up, it often beeps - I think it must wake up without beeping or the beep indicates that it thought another key was pressed which breaks the sequence.b) after the sequence, I found I had to wait a few seconds, then activate/admin (thumb) to operate the lock. Only after that extra activation did it seem to remember the action.ie, the sequence that seems to work is [ 5 5 5 lock - purple - admin - green - pause - admin ] (where admin is an admin finger touch).Easy to install, yes. But programming it was a bit more challenging.Could not add finger prints after the master was entered.Other than that, it is a very effective auto locking handle.“Great at keeping my over-bearing children at bay!”I can’t get it to turn on plz helpI only wish I could set it to unlock and stay unlocked as needed. Other than that we love it and my daughter even ordered 2 after seeing ours.Product is nice and works great just read instruction for setting code first it's a bit of a pain but it works great once set only cons is I have other door locks from them manufacturer wish it would connect with the app or at least have a key fobFor me it is not a really big deal, but when you open this lock the handle will only go one way, either up or down, depending on the direction of the handle, but again, not a big deal. I love this lock.This clock has very good price and some extra discount when I bought it. The all black design looks very fancy and modern. It is not hard to install (took around 1 hr) and easy to use with just fingerprints. I would recommend it if you need a lock for your office at home etc.