Add a level of security and style to your home with the SmartCode keypad electronic deadbolt. Designed with a sleek style to complement your home's interior, you can lock up your home and never have to worry about keys. To gain entry, simply enter your personalized code, while locking is as easy as touching a button. SmartCode is easy to install, program, and use and operates on 4AA batteries. It also features SmartKey re-key technology as the backup keyway. This entry lever can be locked or unlocked by using the keypad or key from the outside as well as the turn button from the inside. The crisp, clean appearance adds to the product's overall look and brings a modern feel.