Working porthole which opens & closes. Excellent hinged wall decor for any nautical or pirate theme decor Hand finished some imperfections possible Measures 20" Inches (Diameter) & Clock 15" Inches (Diameter) ; Power Source: Battery / Cell Shiny Gold Finish (As shown in Picture) 20" Antique Marine Solid Brass Ship Porthole Analog Clock Nautical Wall Hanging Home Decor