11" Royal Black Knight Emblem Simulated Wood Wall Clock, Quartz, ABS Texture, Antiquity European Style (Black) Measuring 11 inches in diameter. Thickness 1.6 inches. Non-ticking sound, mute and golden clock hands sweep smoothly. Requires one AA battery (not included). Use regular Zinc-Carbon Battery only. Please avoid using Alkaline Battery to ensure the accuracy of the clock Flat ABS front covers. Uses standard quartz movement. Perfect for living room, bed room, kitchen, dining room, family room, office, meeting room...