Electronic Keyless Lock Function Entry with Key Override and Privacy Access Method Proximity and Keypad Mounting Style Cylindrical Lock Material Zinc Alloy Finish Satin Chrome Series PDL4100 Handle Type Lever Door Thickness 1-3/8 in to 1-7/8 in Key Override Options Schlage inC in Keyway (Included) Hand Nonhanded Outside Height 8 in Outside Width 3 1/4 in Outside Depth 1 11/16 in Power Source (5) AA Batteries Battery Life 60 000 Cycles