Electronic Keyless Lock, Function Entry with Key Override, Access Method Keypad, Mounting Style Cylindrical, Lock Material Zinc Alloy, Finish Satin Chrome, Series DL2700WP, Handle Type Lever, Door Thickness 1-5/8 in to 1-7/8 in, Key Override Options Small Format Interchangeable Core, Hand Nonhanded, Outside Height 8 in, Outside Width 3 1/4 in, Outside Depth 2 9/16 in, Keypad Material Metal, Power Source (5) AA Batteries, Battery Life 120,000 Cycles