WEATHERPROOF COVER: Get tough and reliable protection, the bronze polycarbonate 1-Gang Weatherproof In-Use Electrical Outlet Cover for home improvement is NEMA 3R rated and cULus listed for wet and damp locations. EASY TO INSTALL: Set up your outdoor outlet cover in no time at all. Quick-Fit keyhole mounting system allows installation under a minute for either horizontal or vertical mount. 16 CUSTOM CONFIGURATIONS: Our weatherproof outlet cover uses UFAST for 16-in-1 custom device configurations. Mount and protect duplex, switch, round, or GFCI outlets. QUALITY CONSTRUCTION: Our socket cover for outlets is built from high-impact polycarbonate for maximum durability and synthetic neoprene rubber that won't dry rot, crack, or deteriorate in sunlight. EXPANDABLE DESIGN: Our weatherproof expandable cover can extend from 1 inch to 3 inches deep depending on your needs. The clear window allows for quick visual inspection without opening the unit.