LED Battery Operated String White Lights, 10 Lights/String, Pack of (3) LED Battery Operated String White Lights. Pack of (3) 10 Lights per string. Light is approximately 3/16". String is approximately 43" long. Lights are approximately 3 1/2' inches apart. Requires (2) 1.5V AA Batteries (Not included). Small screwdriver required to open battery compartment (Not included). For Indoor Use Only. WARNING: Not a toy. Not intended for Children. Adults Only.