Features:Size: Front Diameter: Approx. 80mm/3.15 inch; Back Diameter: Approx. 75mm/2.95 inch; Mounting Depth: Approx. 20mm/0.79 inch; Total Thickness: Approx. 30mm/1.18 inch.Modern Design: Arabic numerals on white surface, metal for casing and silver-colored bezel, perfect for wall decoration, clear glass lens surface gives your room an elegant and modern atmosphere.Power Required: Only needs 1x 1.5V AA battery (not included) can run for a long time.Replacement clock insert fits many types of small glass and crystal clocks. Perfect for DIY crafts, small wall clocks or replacing old clock faces.Rubber Seal: The package comes with a rubber seal to secure the insert in place, convenient for you to place, this clock is your good choice for making crafts or using it as a nice gift.Specifications:Material: Plastic & MetalFront Diameter: Approx. 80mm/3.15 inchBack Diameter: Approx. 75mm/2.95 inchMounting Depth: Approx. 20mm/0.79 inchTotal Thickness: Approx. 30mm/1.18 inchColor: SilverBattery: 11.5V AA battery (battery not included in delivery)Appearance: Silver bezel, black Arabic numerals on white background, black hour and minute handsNote:Please allow 0-1cm error due to manual measurement, please make sure you do not mind before ordering.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Powered by 11.5V AA battery. (Battery not included in delivery)Package includes:1x Quartz Clock1x Rubber Ring