Features: *3-18 Inch (80 mm) diameter: The overall diameter of the craft clock insert is 3-18 inches (80 mm), measuring the front external maximum diameter including the colored trim. *Unique design: The quartz clock insert features adorable colorful decorations, a transparent plastic lens, and black Arabic or Roman numerals on a white dial for easy reading. *Installation diameter: Fits a 3.0-inch (76 mm) diameter round hole; installation depth is 0.7 inches (18 mm), suitable for crafts or replacing old clock faces. *Rubber ring: The hanging clock comes with a rubber ring gasket that securely holds the insert in place, allowing for slight irregularities in the hole. *Power supply: The round clock insert requires 1 AA battery (not included in the shipment). Specifications: *Part Name:Quartz Clock Insert *Material:Plastic *Size:3-1/8 Inch (80 mm) *Color:Pink/Blue Package Content: 1 *Quartz Clock Insert Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 3-18 Inch (80 mm) diameter: The overall diameter of the craft clock insert is 3-18 inches (80 mm), measuring the front external maximum diameter including the colored trim. Unique design: The quartz clock insert features adorable colorful decorations, a transparent plastic lens, and black Arabic or Roman numerals on a white dial for easy reading. Installation diameter: Fits a 3.0-inch (76 mm) diameter round hole; installation depth is 0.7 inches (18 mm), suitable for crafts or replacing old clock faces. Rubber ring: The hanging clock comes with a rubber ring gasket that securely holds the insert in place, allowing for slight irregularities in the hole. Power supply: The round clock insert requires 1 AA battery (not included in the shipment).Specifications: