Feature 1Aluminum Alloy Frame: The overall frame of the skylight is constructed from heavy duty aluminum alloy, which is anodized and features a frosted surface for a premium feel. It is rust proof and oxidation resistant, ensuring long lasting performance in harsh marine or outdoor environments. 2Sturdy and Safe: The window equipped with 6mm thick smoke grey tempered glass, providing both strength and safety. The support rod is made of 316 stainless steel, ensuring damage resistance and durability for the entire skylight. 3Waterproof Seal: The frame of the skylight is equipped with waterproof rings, providing complete sealing and waterproof performance, as well as shock absorption. The glass filters out UV rays while allowing light to enter, enhancing brightness inside the cabin. 4Open Mode: The window feature outward opening design and a handle with a locking button. They can be opened at any angle from 0 to 75 degrees, making them suitable for skylights, portlights, ventilation windows, storage compartments, roofs, or any desired location. 5Easy Installation: The skylight have a 231x176mm mounting hole size and are suitable for walls with a thickness of 15mm or any other thickness. It is perfect for boat, yacht, ship, and RV applications, offering a solution for leaky, damaged, or unsatisfactory windows.Item Type:BoatSkylightsMaterial: Aluminum alloy + Nylon + tempered glass +316 stainless steel .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Window Size: Approx.240x295mm/9.44x11.61inInstallation Opening Size: Approx. 176x231mm/6.92x9.09inSuitable Installation Thickness: Approx. 15mm/0.6in, or any thicknessPush Out Opening Angle: 0-75 degrees of any angleApplication:Suitable for Boat, Yacht, Nautical, RV, providing a solution for your leaky, broken and unsatisfactorywindowsPackage List1 x PortholeNote1. The installation is slightly more difficult, it is recommended to find professional engineers to assist the installation to obtain the best shopping experience.2.Please pay attention to avoid collision when disassembling.3.Please measure the size before purchase to ensure that it is what you need.