Lightshare Dimmable LED Copper String Lights (100 LEDs, 33 feet, Multicolor, Waterproof) Copper wire is coated for safety; 33 feet strand; 100 LEDs; warm white; high number of bulbs per inch The LED lights strung on bendable silver-color finish wire The UL certificated 5V power adaptor come with 6 feet extension cable The IP44 water-resistant standard; for indoor/outdoor use; organized package come with cylinder The UL listed 5V power adaptor come with 6 feet extension cable