HIPPIH 12 Inches 3D Numerals Modern Round Plastic Wall Clock with Silent Non Ticking Sweep Movement, Concave Shaped Decorative Clock (Green) Modern contemporary design with concave shaped clock face and innovative 3D Arabic numerals dresses up any room Easy to read. The white numerals and hands of the clock are easy to view against the light colored background Front flat glass cover protects clock from dust High-quality Quartz Sweep Movement guarantees accurate time and absolutely silent environment Powered by one AA battery( included). Average battery can last about 6 months