FeaturesHigh impact polycarbonate construction provides maximum durabilityPatented Quick-Fit™ keyhole mounting system allows installation in under a minutePre-configured for GFCI with patented Knock-Out™ 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