Electronic Keyless Lock, Function Entry with Key Override, Access Method Keypad, Mounting Style Von Duprin Exit Devices, Lock Material Zinc Alloy, Finish Brushed Chrome, Series Trilogy, Handle Type Lever, Key Override Options In.C In. Keyway (Included), Hand Nonhanded, Network Interface None, Outside Height 11 in, Outside Width 3 1/4 in, Outside Depth 3 in, Keypad Material Metal, Power Source (5) AA Batteries, Battery Life 100,000 Cycles