Upgrade to a more convenient, more controllable keyless entry deadbolt with SmartCode 10. With your own personal code, you can enter your home with just a few simple pushes of a button and lock it with just one. You also get more control over who has access to your home. Just assign a temporary code to whoever needs one and delete it when you see fit. Now you can totally eliminate the need for keys. SmartCode 10 is easy to install, program and use and operates on 4 AA batteries. With a new sleek interior and 16 user code capacity, the new SmartCode 10 complements any Weiser knob, lever or handleset.