FeaturesHigh impact polycarbonate construction provides maximum durabilityPatented Quick-Fitâ„¢ keyhole mounting system allows installation in under a minutePre-configured for GFCI with patented Knock-Outâ„¢ technology for custom fittingLockable tab (1/8 in shackle)1-gang GFCI plus adapter plates provide 16-in-1 possible configuration types16-in-1 weatherproof flip cover