(This review was collected as part of a promotion.) Installing the app took some time as the email was flagged as junk. The app would reset while watching certain install videos. Install itself was easy although the cable space was limited. We did have to redrill some holes to fit the bolt receiver plate. Sometimes unlocking and locking the door from the app took time. Adding users and codes was very easy. Our original key would not fit for re-keying so unfortunately we could not test that feature. Install with 2 people as it can be cumbersome attaching with just one person. The packaging seemed wasteful and we used our own batteries as there was no indication the door came with batteries.