KOVAL INC. Shell Solar LED Light Wind Chime D&eacute;cor Lighting 6pcs upgraded thickened Shell. Stronger and more durable than others which can be easily damaged when falling down. 6pcs LED light bulbs in total. Brighter and more beautiful than others which only has one LED light bulb. Latest improved solar panel, high conversion rate and long usage time. Energy-efficient, average run time is up to 8 hours after fully charged. LED light bulb can last up to 100,000 hours. Can be used even in light rain or burning sun. On/Off Switch under the solar panel for optional manual operation. The solar panel charges the battery during the day and LED turns on automatically at dusk after switching on.