1. Push Pull Design: The window is push pull opening to keep your camper cool in the summer and warm in the winter, providing a comfortable interior environment.     2. Waterproof: The window frame with waterproof rubber ensures complete sealing and waterproof performance, and the drainage hole under the frame ensures rainwater outflow.     3. UV Proof: The whole frame of round corner push window is made of high strength aluminum alloy and tempered glass, which is strong and safe and can effectively resist UV, sound and heat.     4. Smooth Polished: The exterior of the frame is polished smooth with a black powder coating to provide a delicate touch and ensure resistance to oxidation, even in outdoor environments.     5. Application: One side of the glass can be sliding and the opening side has insect screen, the window can be used in storage compartment, living room, lounge or any location where a window is needed.         Specification: Item Type: RV Push Pull Window     Material: Aluminum alloy, tempered glass, rubber     External Size of Window: Approx: 1100x340mm/43.3x13.38in     Installation Thickness: Approx: 5mm-7mm/0.2-0.27in or 53mm-54mm/2.08x2.12in sheet metal installation (there will be 2mm error for glue fixation)     Installation Opening Size: Approx: 1067x305mm/42x12in     Application: The protect your privacy and ensure adequate sunlight does not heat the interior of your RV. Fully sealed keep your camper cold in summer and warm in winter. They can be used in hatches, living rooms, lounges or wherever are needed. They can be used to enhance indoor brightness or change air      Application: Suitable for camper, RV, engineering car and other any need for windows              Package List: 1 x RV Push Pull Window    1 x Fixed Frame      1 x Package of Water Guide Hole Plug(Random Number)     1 x Package of Fixed Screw (Random Number)          Note: 1. It is highly recommended to find a professional engineer to assist in the installation to ensure a perfect shopping experience.               2. Please allow slight error due to manual measurement. Thanks for your understanding.                 3. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.