Sylviana 2 pack multi-colored LED C9 Christmas lights connectable (two sets of 50) Each C9 Christmas string lights has 50 LEDs, it is perfect for outdoor patios, special Festival event, or Christmas trees. Typically you can use these on your house roofline, on your Christmas tree, or around your patio to create a cheerful atmosphere. And our string lights can be connected and extended, it can meet your desired length and make your decoration more convenient. With its waterproof performance, it can be widely used indoor/outdoor, but just keep the adapter in DRY PLACE. Low Voltage UL Listed Power Adapter and advanced strawberry bulbs, our Christmas lights are safe to touch without risk of burns after long time of use.