1、Wide Use: Yacht portlight window is suitable for wall with a thickness of 15mm or any other thickness. It is ideal for boats, yachts, ships, and RVs, providing a solution for leaking, damaged, or unsatisfactory window. 2、Sturdy Construction: The window features a 6mm thick glass with a rotating fixed handle and 316 stainless steel support rods, providing a solid and stable structure. 3、Waterproof and UV Protection: The window frame is equipped with a waterproof seal ring, ensuring complete sealing and waterproof and shock reduction performance. The glass filters out UV rays while allowing sufficient light to enter the cabin, enhancing brightness inside. 4、Adjustable Design: Heavy duty window can be opened outward and locked at any angle from 0 to 90 degrees with the rotating handle and locking button. It can be used as a roof window, ventilation window, storage compartment window, or installed in any desired location. 5、Premium Material: The RV push out window is made of heavy duty aluminum alloy with an anodized surface finish, ensuring long lasting durability even in harsh marine or outdoor environments.