1 Pair Y Type MC4 Style Branch Solar Cable Connector Cables -1 Pair of Y Type MC4 Solar Panel Cable Connectorsone female to double male (F/M/M) and one male to double female (M/F/F) -Quick & simple assembly processing and simple removal of plugs without the aid of any extra instrument -Compatible with PV cables with different insulation diameters -Resistance of extra high & low temperature and fireproof -With excellent aging resistance and UV endurance