Access Control Keypad, Function Programable Function Control, Access Method Keypad, Mounting Style Cylindrical, Lock Material Zinc Alloy, Finish Satin Chrome, Handle Type Straight Lever, Door Thickness 1-5/8 in to 1-7/8 in, Key Override Options Less Cylinder, Hand Nonhanded, Network Interface None, Outside Height 8 1/4 in, Outside Width 3 1/4 in, Keypad Material Zinc, Power Source Battery, Battery Life 100,000 Cycles, Operating Temp. Range -31 Degrees to 151 Degrees F, Max. User Codes 100