KEYLESS CONVENIENCE: Use 2 pre-programmed codes for easy setup out of the box; assign up to 19 codes for trusted friends and family to experience convenient, keyless security; choose between auto-locking and unlocked modes for customized convenience INNOVATIVE DESIGN: Cylinder-free design has no keyway to bump or pick; gain peace of mind with no more keys to lose, hide, carry or forget; slim profile is sleek without sacrificing strength; inside lever is always unlocked for easy exit BATTERY POWERED FOR RELIABLITY: Operates with included 9V battery; avoid lockouts with dedicated low-battery indicator and jumpstart feature for backup access in case of battery failure SECURE TOUCHSCREEN ACCESS: Downlighting illuminates numbers, making it easy to enter your code in the dark; fingerprint-resistant touchscreen helps protect privacy of access codes EASY INSTALLATION: Replace an existing lever or knob yourself with no skill required; install in minutes with only a screwdriver and no hardwiring PREMIUM SECURITY: High-quality metal construction provides strength where it counts; Grade 2/AAA rating offers trusted security and durability for residential and light commercial applications TRUSTED WARRANTY: Schlage locks are backed by a limited lifetime mechanical and finish warranty, and a 3-year electronics warranty; see Schlage warranty for full details