Brighten your decor and add a gracious mood to your residence with these beautiful string lights. The ambient brightness from these luminaries is sure to create some fantastic charm. These lights are the fit option for Christmas Valentine s day wedding party decoration and much more. Product Features: Color: green bulbs / white wire. Number of bulbs on string: 20. Bulb size: concave wide angle (mini bulb). Spacing between each bulb: 5 . Lighted string length: 8 . Total string length: 9 . Additional Product Features: Super bright bulbs. LED lights use 90% less energy. Durable non-glass replaceable bulbs. Cool to the touch. Lights are equipped with a lamp lock feature which makes them replaceable interchangeable and keeps them from falling out. UL certified and approved for indoor use only. Comes with replacement bulbs and spare fuses. Straight line construction. 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 side of the battery pack. Cannot connect multiple sets together. Material(s): plastic bulbs/wire. Note: requires 3 AA size batteries - not included