Electronic Keyless Lock Function Office with Key Override Access Method Keypad Mounting Style Cylindrical Lock Material Zinc Alloy Finish Brushed Chrome Series Trilogy Lockdown Handle Type Lever Door Thickness 1-5/8 in to 1-7/8 in Key Override Options Schlage inC in Keyway (Included) Hand Nonhanded Network Interface None 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 100 000 Cycles