Keyless Deadbolt Lock with Biometric Fingerprint Recognition - "Satin Chrome" Finish Deadbolt Instantly Unlocks With A Swipe Of Your Finger / 10 User Fingerprint Recognition Memory Fingerprint Pad Has Multi-Color Illumination To Indicate Lock Status One-Button Design Is Simple & Easy To Use / Press Button To Lock Deadbolt From Outside Installs In Place Of Standard Deadbolt Lock / No Additional Door Modification Required Accessible With Standard Key At Any Time (2 Keys Provided) / Fits Doors Up To 1-3/4" Thick