Led String Light:1. Using environmental friendly rubber and PVC cable, with Dia. 0.5mm2 pure copper wires, cold-resistant and flexible, colorful rubber and PVC cable are available. 2. Crystal bullet cap can get big light spot and more brightness.3. With Glue-filling technology structure and more waterproof.4. Welding, gluing and casing are made by full-automation machine, not only get a clean and beautiful appearance, but also with reliable and stable performance. 5. Extendable, easy-installation, one power cord can connect max. 200m length.6. Strong production capacity, with 10000sets led string light output per day.7. IP65 waterproof rating 8. CE,GS, CB, SAA, ETL, RoHS approval