Bring ambience to your indoor living space with La Crosse Clock's 21-inch atomic wall clock, or hang outdoors onto covered porch or deck. This elegant analog clock is stylish for larger areas, such as living or family rooms as it viewable from a distance. It's hammered bronze metal frame and high torque movement provides style and functionality to your home. Adjustable to any of the 4 time zone selections, as clock sets atomically to WWVB radio signal, and resets for Daylight savings, if you prefer. Operated on a single AA alkaline battery, or optional with extended compartment to lengthen battery life.