Add a level of security and style to your home with the SmartCode touchpad 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 (4) AA batteries. It also features SmartKey re-key technology as the back-up 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 of the Satin Nickel finish adds to the overall look of the product and brings a modern feel. Touchpad keyless entry combines bright LED illumination for easy code access, tactile feedback, and sleek style with fingerprint resistance to protect privacy of access codes Deadbolt operated by electronic touchpad or key; backlit for increased visibility at night Touchpad stays lit for 30 seconds after inactivity Low Battery Alerts: audible beep and visual flash when batteries are low Fast and quiet motorized deadbolt with one touch motorized locking; lock your door with a single touch, no additional turning/twisting needed Features 50 user access codes and 1 master code option Customizable automatic door locking after 30 seconds for peace of mind Featuring SmartKey SecurityTM, which protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds ANSI/BHMA grade 2 certified Simple installation requiring a screwdriver with no hard wiring needed and supports BILT App video and voice installation support Requires (4) AA batteries (sold separately) Comes with (2) keys Satin nickel