Features: Size:Front Diameter: Front Diameter: Approx.80mm/3.15inch; Back Diameter: Approx.75mm/2.95inch;Installation Depth: Approx.20mm/0.79inch;Total Thickness: Approx.30mm/1.18inch. Modern Design: Arabic numbers on white face, metal for case and silver colored bezel, great for wall decoration, clear glass lens surface let your room get a stylish and modern atmosphere. Needed power: Just need 1x 1.5 V AA battery (not included) can run a long for time. Clock Fitup Insert Replacement Fits Many Types of Small Glass & Crystal Clocks. Perfect for DIY crafts, tiny wall clocks, or replacing old clock faces. Rubber gasket: the package comes with a rubber gasket to securely hold the insert in place, convenient for you to place, this clock is your good choice to make crafts or use it as a nice gift. Specifications: Material:Plastic&Metal Front Diameter: Approx.80mm/3.15inch Back Diameter: Approx.75mm/2.95inch Installation Depth: Approx.20mm/0.79inch Total Thickness: Approx.30mm/1.18inch Color: Silver Battery: 11.5 V AA Battery (Battery Not Included in Delivery) Appearance: Silver Frame, Black Arabic Characters on White Background, Black Hour and Minute Hands Note: Please allow 0-1cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Powered by 11.5 V AA Battery. (Battery Not Included in Delivery) Package includes: 1x Quartz Clock 1x Rubber Ring