Description: Dimension: the overall diameter of the clock insert is 5.83 inch (148 mm) that refers to the front face outside maximum diameter including the colored bezel. Features: the quartz clock insert features a silver colored trim, clear plastic lens, and black roman numerals on white dial for easy reading. Mounting diameter: fit round hole diameter: 5.59 inch (142 mm); Mounting depth: 1.18inch (30 mm); Great for crafts or replacing old clock faces. Plastic band mounting system: complete with Plastic band gasket to securely hold the insert in place, which allow for slight irregularity in the hole. Power: require 1 piece AAA battery (not included); Warm note: clock is intended for indoor use only, not weather resistant. Material: Metal, Plastic,crystal Package Includes: 1 Piece Quartz Clock Insert Note: Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.