I liked the lock while it worked, BUTEach time the batteries wear out, my Powerbolt 1000 stops working (Yes, I mean with new batteries installed)I am at my 2nd battery change. Each time the batteries have lasted a little over a year. After the 1st battery change, the lock did not work despite multiple attempts / battery changes / etc so I left it alone for 2 - 3 weeks, then came back to it - and it worked.Now: I made 2nd battery change a couple weeks ago, tested them, etc. Still not working.I emailed Kwikset support. They answered with a 800 number saying I should buy a new board. Fat chance. I'll purchase a different brand.Lowell