FeaturesClear cover on most models1/8 in THK gasket with slits for mounting screwsThree Patented inserts for GFCI, duplex, toggle or round receptacles that allow each model to meet multiple installations2-gang models include 6 snap together, rotating, inserts that create 70 combinationsWhile in use covers are easy to installMeets requirements for cold impact testing (-60 deg F)Hidden hinges and lockable haspPre-adhered gasketEasy to install