Bethlehem Lighting Set of 50 Opaque Purple Commercial Grade Mini Christmas Lights 5.5" Spacing - Green Wire Indoor/outdoor end/end miniature 50-light set; green wire End-to-end connectors make decorating easy! Reliable, long-lasting brilliance for more than 3000 hours Twist-proof lamps eliminate misaligned wire contacts UL listed for indoor/outdoor use; available in a variety of colors