The Screen Shot™ is designed to install snugly into the inner channels of your screen door frame, held in place with anchor screws. The Screen Shot's elastic webbing is affixed directly into the door jamb, expanding when the door is opened and then pulls the door shut by itself. Automatically closes the screen door when left openedAll required fasteners includedEasy DIY installation1-year warrantyFits only Lippert Components right-hand screen doors. Not compatible with Lippert G-Class doors