Don't limit your decorating to a space that requires an outlet use these battery operated lights to free yourself. These warm lights would be perfect for a wedding anniversary or everyday! Decorate a mantelpiece centerpiece or doorway with ease. Product Features: Color: warm white bulbs / green wire. Number of bulbs on string: 20. Bulb size: 5mm concave wide angle. Spacing between each bulb: 6". Lighted length: 9.5'. Total length: 10.9'. 24" green lead cord. Additional Product Features: LED lights use 90% less energy. Durable non-glass replaceable bulbs. Cool to the touch. UL certified and approved for indoor or outdoor use. Requires 3 "AA" size batteries (not included). Lights are equipped with lamp lock feature which makes them replaceable interchangeable and keeps them from falling out. Comes with replacement bulbs and spare fuses. Cannot connect multiple sets together. On or off switch located on the back of battery pack