Feature: 1. Sliding Window: Push pull window with removable insect screens, providing you a safe barrier and a comfortable interior environment.     2. Sealed and Waterproof: The window frame with rubber ring ensures complete sealing and waterproof performance, and the drainage hole under the frame ensures rainwater run off.     3. Anti Oxidation: The exterior of the window frame is polished smooth with black powder coating to provide a comfortable touch and resist oxidation, even in outdoor environments.     4. UV Proof: The rounded window frame is made of high strength aluminum alloy and tempered glass, which is strong and secure, and is effective against UV rays, sound and heat.     5. Application: Window can be used in storage compartments, living rooms, lounges or wherever window is needed to enhance interior lighting or ventilation.         Specification: Item Type: Camper Window     Material: Aluminum alloy, tempered glass, rubber     External Window Size: Approx: 645x540mm/25.4x21.25in     Installation Thickness: Approx: 5mm-7mm/0.2-0.27in or 53mm-54mm/2.08-2.12in sheet metal installation (there will be 2mm error for glue fixation)     Mounting Opening Holes Size: Approx: 610 x 510mm/24x20in     Application: Window protect your privacy and ensure adequate sunlight does not heat the interior of your RV. Fully sealed window keep your camper cold in summer and warm in winter. It can be used in hatches, living rooms, lounges or wherever window is needed.      It can be used to enhance indoor brightness or change air windows     Application: Suitable for camper, RV, engineering car and other any need for windows              Package List: 1 x Camper 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. Please allow slight error due to manual measurement. Thanks for your understanding.              2. 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.     3. It is highly recommended to find a professional engineer to assist in the installation to ensure a perfect shopping experience