GS, CE, BS,Semko Certificate, Rubber Cable LED Light String, Outdoor use, waterproof, Full Style of Extendable Connector System. With more than 15 years history and experience, Orient-Star are professioanl manufacturer with strong capacity for Extendable Rubber Cable LED Light String ..Use High quality Rubber Cable, it's long last and flexible even in cold winter weather .. Full filled with Glue, ...