Feature: 1. ALUMINUN CONSTRUCTION: The overall frame is made of heavy duty aluminum alloy, and the anodized surface is polished to a smooth surface, providing a good touch and ensuring long term use in harsh marine or outdoor environments. 2. WATERPROOF AND SUN PROTECTION: Equipped with waterproof rubber rings to ensure the sealing performance when the window is closed, the smoke gray glass filters UV rays while ensuring that light can enter the room. It can also be used for ventilation. 3. OUTWARD OPENING DESIGN: The skylight opens outward up to 90 degrees, allowing for easy access and ventilation, while the stainless steel support rod ensures stability during use, you can enjoy the scenery along the way. 4. SECURE AND CONVENIENT: The locking handle provides added security, ensuring the skylight stays in place even in rough conditions, while the switch handle allows for easy operation, ensuring the overall robustness and security of windows. 5. VERSATILE APPLICATION: Designed for a 1‑2 inch installation thickness, this window can be easily installed on boats, yachts, ships and RVs, can be used for skylights, escape windows, storage rooms, roofs or anywhere, providing a seamless integration into your vessel. Specification: Item Type: Portlight WindowMaterial: Aluminum alloy + tempered glass +ABS+ rubber +316 stainless steel Opening Method: Outward Opening, with Stainless Steel Support Rod and Locking Handle Maximum Opening Angle: 90 degrees Window Dimensions: Approx. 475x575mm / 19x23 inches Installation Opening Dimensions: Approx. 410x510mm / 16.14x20.07 in, R45 Suitable for Installation Thickness: Approx. 25-50mm / 1-2 inches Application: Fit for Boat Yacht Nautical RV, can be used for your ship yacht RV conversion and installation projects, providing a solution for your leaking, broken and unsatisfactory windows . Package List: 1 x Skylight Note: 1. The installation may be challenging, and it is recommended to seek the assistance of a professional engineer for the best shopping experience. 2. We will provide packaging with high hardness and comprehensive protection, ensuring that the goods are delivered to you in a new and undamaged condition. Please be careful when unpacking to avoid collisions. 3. Please measure the dimensions before purchase to ensure it meets your requirements.