This 980 Deadbolt - Keyed One Side - featuring SmartKey lock was easy to setup and install. I like the single cylinder deadbolt feature and the re-key feature is a BIG PLUS !  The silver color matches perfectly with the rest of my door hardware and the lock works perfectly. The safety features of this simple yet advanced 980 Deadbolt - Keyed One Side - featuring SmartKey lock is just what I needed and it definitely secures my home and I feel better using this lock.  Lastly, I really like that if I need to, I could Re-Key the lock on my own without having to spend hundreds on a locksmith, very smart lock.