No more worrying about keys. Upgrade to a more convenient, more controllable keyless entry deadbolt with Powerbolt. With your own personal code, you can enter your home with just a few simple pushes of a button, then smart lock it with just one. You also get more control over who has access to your home. Just assign a temporary smart code to whoever needs one and delete it when you see fit. Now you can totally eliminate the need for keys. Powerbolt electronic door locks are easy to install, program and use and operate on 4 AA batteries. Additional features include: Up to 6 user access codes for family and guests; one-time use temporary code for single entry for a contractor/dog walker etc.; alarm sounds after 5 consecutive entries and the keypad is deactivated for 45 seconds; replaces existing door hardware with just a screwdriver; no hard wiring needed; and BHMA Grade 3 certified. SmartCode5 complements any Weiser knob, lever or handleset. SmartCode5 also provides excellent security with its 1-inch, heavy-duty deadbolt and break-in-resistant strike plate. Home security has now reached the highest level of convenience and control.