Suitable for indoor or outdoor use these LED solar string lights don''t require any electricity! Simply place the solar panel in direct sun to charge the light for up to 8 hours of operating. They will brighten up those outdoor garden parties or can be used around trees, posts, branches, on walls, fences or anywhere you want them. The perfect Christmas lights. Save time and money! They automatically turns on at dusk and off at dawn.FEATURES200 Warm White LED solar string lightsOn/off switchTwo light effects to choose - flashing or constant stillString length: 72 feetDistance between LED lights: 4"Lead from solar panel to first light: 2m