The Benjilock Fingerprint Deadbolt brings security to your fingertips with a biometric sensor that quickly scans a fingerprint and opens the deadbolt with a single touch. Users whose fingerprints are not programmed into the lock can still unlock the deadbolt without fumbling with keys—simply enter an authorized access code into the digital keypad to unlock the deadbolt. Not ready to give up your key? The deadbolt also comes with a traditional key to unlock.This sleek design features a Grade 2 certified security rating to offer a wide variety of residential and commercial applications. It’s also very easy to install, program, and use. Made in partnership with Duracell, it operates on four AA included batteries.