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

Features 20 clear white mini lights on green wire. Spacing between each bulb: 6-in. Lighted string length is 9.8-ft; total length is 11-ft. UL listed for indoor use only. This set has push-in type bulbs; bulbs do not twist. Requires 2 C batteries (not included). Standard batteries last approximately 72 hours before they need to be replaced. On/off switch located on back of battery pack. Cannot connect multiple sets together.