Horizontal/Vertical, Flat, 16-in-1, Clear. High-impact polycarbonate construction provides maximum durability. Patented Quick-Fit keyhole mounting system allows installation in under a minute. Patented Universal Fit Adapter System Technology (U-Fast) for 16-in-1 custom device configurations, comes pre-configured for GFCI. Lockable tab (1/8 in. shackle). Includes attached gasket and mounting hardware.