This is the illuminated clock that displays a sun face during the day and a mesmerizing moon face at night. Its large numbers and metal hands are visible up to 25' away and the clock’s weather-resistant construction enables it to withstand damage from water and UV-light. When dusk approaches, its built-in sensor detects darkness and illuminates the clock’s face with LED backlighting, bringing the enchanting nighttime face to life. With a six-hour timer that automatically turns the light off to conserve battery life. Requires four D batteries and one AA battery. 21" Diameter x 2 3/4" D. (7 1/2 lbs.)