Make your trees and decks glisten when you decorate with this clear mini Christmas light set. The 50 incandescent bulbs are spaced 6 inches apart on brown wire, which can be hidden discreetly in trees, house trim, and on fences or decks. UL listed for indoor and outdoor use, the strings average 3,000 hours for years of trouble-free lighting. Up to 3 sets of the 25-foot strings can safely be connected end-to-end. Bring the ho-ho-ho to your holiday decor with these bright, dependable, and economical lights.