La Crosse Technology 433-3256A-INT 21-inch Bronze Indoor/Outdoor Atomic Analog Wall Clock

21 Hammered metal frame with weather resistant UV-protected dial and lens for outdoor use Atomic self-set time with High Torque movement; Automatic resets for Daylight savings time; 4 US time zone selections with DST (on/off) Temperature & Humidity gauges; Range: -40¡ã to 140¡ãF; 0% to 100%RH Requires one AA alkaline battery (not included); Extend battery life up to 5 years (optional) with extra compartment for 2 additional AA alkaline batteries (not included)