Feature: 1. Sturdy Frame: Made of heavy duty aluminum alloy with a smooth anodized surface, ensuring resistance to corrosion even in harsh marine or outdoor environments. 2. Solid Construction: Manufactured with 6mm thick smoked acrylic glass, featuring a rotating handle and 316 stainless steel support rods for overall durability and strength. 3. Strong Seal: The frame comes with a waterproof sealing ring that provides complete sealing and shock absorption. The gray glass filters out ultraviolet rays while allowing light to enter the cabin. 4. Multifunction: Adopts push out sunroof design, the rotary handle has a switch lock button, which can be opened from 0‑90 degrees, used for sunroof, ventilation window, storage compartment, roof, etc. 5. Wide Compatibility: 600x600mm cut out installation, suitable for walls thickness of 15mm or any other. Suitable for boats, yachts, ships, and RVs, perfect for your marine, yacht, or RV renovation projects. Specification: Item Type: Boat Skylights WindowMaterial: Aluminum alloy + nylon + acrylic + 316 stainless steel .Size: Approx. 670x665mm/26.38x26.18inCut Out Size: Approx. 600x600mm/23.62x23.62inApplicable Installation Thickness: Approx. 15mm/0.59in, or any thicknessPush Out Opening Angle: 0-90 degrees Applicable: Suitable for Boat, Yacht, Nautical, RV Package List: 1 x Boat Skylights Window Note: 1. 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 assembling3. Please measure the size before purchasing to make sure it is what you need