Electronic Keyless Lock, Function Storeroom, Access Method Keypad, Mounting Style Cylindrical, Lock Material Metal, Finish Satin Chrome, Series 5000, Handle Type Lever, Door Thickness 1-3/4 in, Key Override Options C Keyway, Hand Nonhanded, Network Interface AL-DTM2, Outside Height 8 7/8 in, Outside Width 3 3/8 in, Outside Depth 3 13/16 in, Keypad Material Metal, Power Source (4) AA Batteries, Battery Life 1 yr, Operating Temp. Range -31 Degrees to 130 Degrees F, Max. User Codes 3000