The style of the Boulder Touchscreen Z-Wave Smart Electronic Deadbolt complements the bold design of rustic architecture. Touchscreen features patented SecureScreen Technology that provides additional security by employing random digits prior to entering your personal code to prevent fingerprint and code detection. Up to 30 customizable user codes with 4 to 8 digit code length for family, guests and service professionals. Use your phone to monitor lock status, check history and remotely lock and unlock your smart lock (third party smart home hub and app sold separately). Baldwin Touchscreen is easy to install, program to use and operates on 4 AA batteries (supplied).