Electronic Keyless Lock Function Entry with Key Override Access Method Keypad Mounting Style Cylindrical Lock Material Cast Finish Satin Chrome Series 28-KP Handle Type Lever Door Thickness 1-3/4 in Key Override Options Sargent Interchangeable Cylinders Hand Nonhanded Outside Height 9 1/2 in Outside Width 3 1/2 in Outside Depth 2 1/2 in Battery Life 40 000 Cycles Operating Temp Range 4 Degrees to 140 Degrees F Max User Codes 100 Grade 1 Standards ANSI Grade 1