This 100 LED crystal ball solar light set features a 10 metre string with a 2 metre lead and 10 centimetre spacing between bulbs, suitable for windows, ceilings, balconies, patios, yards and trees. The warm white light runs from an upgraded 4.5V 150mAh solar panel and 3.7V 800mAh battery, providing 18 hours of continuous illumination from 6 hours of sunlight charging. Weatherproof construction combines an IP65 rated solar panel with IP44 rated string lights for worry free outdoor use. Eight lighting modes with memory function retain your last selected setting, while automatic on off operation turns the lights on at dusk and off at dawn for energy saving daily or festive use.