Sun YOBA 1 Pair Y Type PV Solar Panel Cable Connectors MC4 Male Female M/F Wire Branch Connectors 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) Compatible Mc4. It can be used in harsh environment. Load capability with big current and high voltage Resistance of extra high & low temperature and fireproof Quick & simple assembly processing and simple removal of plugs without the aid of any extra instrument