Our Solar 20 LED butterfly light string set is ideal for decorating your house. Powered by solar panel allowing lights to be maintenance and care free. 20 energy-saving multi-color LED's have translucent stylized covers. LED's are supplied on a 15ft string with 5.5 inch spacing between the lights and 8.5ft wire from the first light to the panel. Works up to 6 hours when the battery is fully charged. You can replace the lithium ion battery if need to.