Leviton T7599-HGE 15-Amp 125-Volt SmartLockPRO Duplex GFCI Receptacle, Black Patented bridge contact provides individual sets of contacts for GFCI receptacle face and downstream receptacles, no power to receptacle face if improperly wired (line-load reversal) TEST and RESET button colors match device face (Red and Black button color models available) Impact-resistant thermoplastic cover and body Shutter mechanism inside the receptacle blocks access to the contacts unless a two-prong plug is inserted, helping ensure hairpins, keys, etc., will be locked out Heavy-duty construction offers long, trouble-free service life