Electronic Keyless Exit Trim Lock Narrow Stile Function Entry with Key Override Access Method Proximity and Keypad Mounting Style Cylindrical Lock Material Zinc Finish Satin Chrome Series DL1200 Handle Type Lever Door Thickness 1-3/4 In. Key Override Options Standard SC1 Keyway Hand Nonhanded Outside Height 14-3/8 In. Outside Width 1-3/4 In. Outside Depth 1-5/8 In. Power Source (2) Batteries Battery Life 100 000 Cycles Operating Temp Range -31 Degrees to 151 Degrees F