1、Acrylic Glass: Double layer hollow acrylic glass, convex outside and flat inside, strong anti ultraviolet ability, with mounting fixed frame, support flat wall mounting. 2、Window Opening: Equipped with screen and sun visor, support full insect net, full privacy curtain, can be fully opened, protect privacy, prevent mosquitoes, sound and heat. 3、Anti Oxidation: The whole frame is made of aluminum alloy and coated with black paint coating to ensure anti corrosion and oxidation resistance, and strong sealing and waterproof performance. 4、Window Design: Easy to use 2 handle design, easily pushed out to lock or closed, equipped with support rods with 3 holes for the internal snap of the rod to pop out of the window. 5、Wide Application: 45° window push out maximum opening angle, you can better enjoy the scenery during the trip, suitable for caravan camper trailer RV.