HAD THIS INSTALLED ON MY NEW FRONT DOOR ABOUT A YEAR AGO. VERY EASY INSTALLATION, NICE LOOKING, SEEMS VERY SECURE. BOUGHT AS A KIT, EVERYTHING YOU NEED FOR INSTALLATION. WISH THE KIT CONTAINED A LEVER INSTEAD OF A TURN KNOB FOR THE INTERIOR FOR US SENIORS. LOVE THE SMART KEY IDEA. SAVED MONEY NOT HAVING NEW KEYS MADE FOR FAMILY MEMBERS. I ALSO HAVE KWICKSET LOCKS FOR THE REAR DOOR WITH THE SMARTKEY TECHNOLOGY. LOVE THE LOCKS!