Range -31 Degrees to 151 Degrees F, Max.
.Electronic Keyless Lock,Proximity,Office User Codes 2000 Electronic Keyless Lock, Function Office, Access Method Proximity and Keypad, Mounting Style Cylindrical, Lock Material Metal, Finish Satin Chrome, Series CO200, Handle Type Lever, Door Thickness 1-3/4 in, Key Override Options Schlage 6 Pin Everest 29 S123 Keyway, Hand Field Reversible, Outside Height 9 15/32 in, Outside Width 3 29/64 in, Outside Depth 3 43/64 in, Power Source (4) AA Batteries, Battery Life Up to 2 yr, Operating Temp.