Key less entry touch pad with a motorized deadbolt and sleek interior; includes traditional key functionality for peace of mind10 digit back lit audible keypad, one touch locking, 30 second auto lock option, and 16 customizable access codes for increased securityBHMA Grade 2 certified, UL certified with 20 minute fire rating, and features SmartKey re key technology with Bump Guard protectionPrior to purchase, please verify that this lock fits your doorFits standard doors (1 3/8 inches to 2 inches thick). Please see sizing specifications chart included with product imagesInstalls in minutes with just a screwdriver no new screw holes or hard wiring needed. Please see installation video included with product imagesRequires 4 AA batteries for operation (not included)Please see Specification Sheet, Installation Manual and User Manual under Technical Specification section for additional information