Feature 1Robust Frame: The frame is made of heavy duty aluminum alloy and has been anodized to polish the surface to a smooth finish, which will not corrode even in harsh offshore links or outdoor environments. 2Window Construction: The skylight is made of 6 mm thick smoked gray acrylic glass, with rotating fixed handle and 316 stainless steel support rod, to ensure the overall sturdiness and durability of the sunroof. 3Strong Seal: The window frame has a waterproof seal that provides complete sealing and shock absorption, and the gray glass filters out UV rays while ensuring light can enter the compartment for brightness. 4Multifunctional Use: Adopts push out sunroof design, the rotary handle of the escape window has a switch lock button, which can be opened from 0 to 90 degrees, used for sunroof, ventilation window, storage compartment, roof, etc. 5Wide Application: The deck porthole 260 x 260mm cut out installation, suitable for 15mm or any thickness of the wall, suitable for boat, yacht, ship, and RV, can be used for modification and other projects.Item Type: Boat Skylights WindowMaterial: Aluminum Alloy, Nylon, Acrylic, 316 Stainless SteelOuter Dimension: Approx. 325 x 325mm/12.8 x 12.8inMounting Hole Size: Approx. 260 x 260mm/10.2 x 10.2inApplicable Installation Thickness: Approx. 15mm/0.59in, or any thicknessPush Out Opening Angle: 0-90 DegreesApplication: Suitable for Boat, Yacht, Nautical, RV .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; }Package List1 x BoatSkylightsWindowNote1. Installation is difficult, it is recommended to find professional engineers to assist in installation to get the best shopping experience.2. Please pay attention to avoid collision when disassembling and assembling.3. Please measure the size before purchasing to make sure it is what you need.