Set of 10 Battery Operated Christmas Lights Item #221BR812 Features: Color: gold bulbs / green wire Number of bulbs on string: 10 Bulb size: mini bulb Spacing between each bulb: 6 inches Lighted string length: 4.6 feet Total string length: 6 feet 17 inch green lead cord Additional product features: UL listed for indoor use only Straight line construction This set has 10 push-in type bulbs. Bulbs do not twist Requires 2 "C" size batteries (not included) Standard batteries last approximately 72 hours before they need to be replaced Comes with a replacement bulb On/off switch located on back of battery pack Cannot connect multiple sets together Material(s): glass bulbs/wire