From the holidays to holiday parties or a casual night with friends on the back porch， string lights add a playful touch. Turn any space into a glimmering paradise with this must-have luminaries! These LED lights are sure to be an exciting addition to your holiday decor.Product Features:Color: purple bulbs / black wire Number of bulbs on string: 20Bulb size: concave wide angleSpacing between each bulb: 6Lighted string length: 9.5Total string length: 1117 lead cordAdditional Product Features:LED lights use 90% less energy Cool to the touch Requires 3 AA size batteries (not included)If one bulb burns out， the rest will stay litComes with non-replaceable bulbsOn/off switch located on the back of battery packCannot connect multiple sets togetherFor indoor use only