Available only from Hammacher Schlemmer, this outdoor clock has a full 18" diam. face that can easily be seen from across the yard, unlike more commonly available smaller models. The clock is weather-resistant, and it has a built-in analog Fahrenheit thermometer and a hygrometer to track humidity. Always on time, the clock receives radio signals from the U.S. Atomic Clock in Boulder, Colorado, and even adjusts for daylight saving. With antique-style bronze-colored finish, parchment-colored face, weather-resistant painted casing, durable metal hands, and watertight glass lens. Classic style clock is also suitable for use indoors. Requires one AA battery. 2 1/2" H x 18" Diam. (6 lbs.)