Feature: 1. Robust 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. 2. Window Construction: 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. 3. Strong Seal: The 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. 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. Widely Applicable: 627x627mm 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. Specification: Item Type: Boat Skylights WindowMaterial: Aluminum alloy + nylon + acrylic + 316 stainless steel.Size: Approx. 697x692mm/27.44x27.24inCut Out Size: Approx. 627x627mm/24.69x24.69in Applicable 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