Don't limit your decorating to a space that requires an outlet; use the battery operated lights to free yourself from the burden! This set of fun LED little lights are vibrant and more energy-efficient than traditional incandescent lights. Decorate a mantelpiece centerpiece or Christmas wreath with these lights for a pop of color. Product Features: Color: red-orange bulbs / red invisa lite wire. Number of bulbs on string: 15. Bulb size: 3 mm micro wide angle. Spacing between each bulb: 4". Lighted string length: 4.8'. Total string length: 5.75'. 10.5" red lead cord. Additional Product Features: UL certified and approved for indoor use only. If one bulb burns out the rest will stay lit. Straight line construction. Requires 3 "AA" size batteries - not included. Non-replaceable bulbs. On or off switch located on the back of battery pack. Cannot connect multiple sets together. Material(s): plastic