[Christmas Lights String] 2 packs of 33 Ft 100 LED warm white string lights, 4 inches distance between each 360°sparkle Low voltage micro starry LED bead. It's bright and safe [IP68 Waterproof] This fairy twinkle lights string is IP68 Waterproof which is suitable for outdoor and indoor and it could be used safely even on bad weather, such as rainy days, storms, snow, etc. In addition, the switch and the low voltage plug are no-waterproof, so please kindly protect them and keep them dry.: )