Enhance the beauty of your festive decor with these lights. They ease up your decorative projects. You could light up your Christmas tree in no time. They allow you to set up your party hall before the guest arrives quickly. Product Features: Color: green bulbs / white wire . Number of bulbs on string: 20. Bulb size: concave wide angle nub (mini bulb). Spacing between each bulb: 4 . Lighted string length: 6.25 . Total string length: 8 . Additional Product Features: LED lights use 90% less energy. Super bright bulbs guaranteed to light. Cool to touch non-glass bulbs. UL certified and approved for indoor use only. Straight line construction. Non-replaceable bulbs. Requires 3 AA size batteries (not included). Standard batteries last approximately 72 hours before they need to be replaced - bulbs themselves will last tens of thousands of hours. On/off switch located on back of battery pack. Cannot connect multiple sets together. Material(s): plastic bulbs/wire