Set of 25 Iridescent Diamond Christmas Lights Color: clear bulbs with green wire Each diamond light is illuminated with 1 clear mini bulb UL Listed for indoor/outdoor use String to string - convenient end connectors allow you to connect multiple sets together Small hooks on each bulb so you can secure the bulbs onto your tree or other desired surface. Number of lights on string: 25 Spacing between each bulb: 11" Lighted length: 23 feet Total Length: 25 feet 2 foot lead cord Comes with replacement bulbs and spare fuses Material(s): glass/wire