Northlight 20-Count 9.8-ft Orange Incandescent Battery-Operated Indoor Christmas String Lights

Features:?Color: orange bulbs/green wire?Number of bulbs on string: 20?Bulb size: mini bulb?Spacing between each bulb: 6"?Lighted string length: 9.8'?Total string length: 11'?16" green lead cord??Additional product features:?UL listed for indoor use only?Straight line construction?This set has 20 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