Feature:1. Parameter: The window size is 470x210mm, the installation cut out size is 405x150mm, and the installation thickness is 1040mm.2. Oval Window: The oval shape design allows more light to enter the cabin, increases the brightness of the cabin, and can be used for ventilation windows.3. Stronger: Sturdy ABS, stainless steel, molded design and thick tempered glass for maximum durability. With anti aging, impact and corrosion resistant features.4. Unique Design: Fully sealed and waterproof, equipped with locking fixing handles, insect repellent mesh and sturdy outer frame, effectively prevent rainwater from entering.5. Opening Angle: Square design, with switch lock handle and support rod, 0180 degrees adjusted, convenient to enjoy the scenery along the way.Specification:Item Type: Oval Opening Portlight WindowMaterial: Stainless steel + tempered glass + ABS.Window Dimensions: Approx. 470x210mm/18.50x8.27inInstallation Cut Out Size: Approx. 405x150mm/15.94x5.91inSuitable Thickness: 1040mm/0.39-1.57inApplication: Applicable for Boat, Yacht, Ship, RVInstallation Instructions: The window is inward opening, the fixed frame is installed outside the cabin, and the glass surface is the inside surface of the cabinPackage List:1 xOval Opening Portlight Window1 x FrameNote:Installation is slightly more difficult, it is recommended to find a professional engineer to assist in installation