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° to 140°F; 0% to 100%RH
*We recommend when hanging clock outdoors to keep out of direct sunlight for accuracy, and out of constant precipitation for last performance
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)