Set of 5 units: Each 2m 20 starry LED crystal ball garlands glow with warm light, which make every night starry night, creating a festive mood with romance, elegant magical. The package includes 5 sets of LED copper wire string lights. High Quality LED and Flexible Copper Wires: This Christmas decorative lights mainly made of high quality bendable copper wire, with 20 micro LEDs, which provide 360 degree sparkling beautiful effect. light shows can be and shape around plants, signs, furniture and almost anything you could think of, and costume for mason jar, jar. Safety and waterproof: With low voltage won't overheat after several hours of use, safe to touch after hours of use. Safe for the elderly and children to touch or put it around your body to take photos.The chain with LED is IP67 waterproof and it could be submerged in water, the battery box. Easily Operated by Batteries: CR2032 -2x batteries included, which support continuous operation 20 hours and more when used with breaks.