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