I bought and installed Weiser's Powerbolt 1 (unfortunately) so you wouldn't have to (intentionally).
As requested, part 2 of our exhilarating exploration of Weiser's intermittently reliable Powerbolt 1 Keyless Entry Touchpad Deadbolt
Some of my favorite small tools: Sharpies and markers along with Kim's cool little 6 in 1 gift pen.