LED quantity: 100 Spacing of LED: 4 inches Ni-Mh batteries: AA size, 1.2V 1000mAH,1pcs. 500 cycle charges Solar panel: Solar Power 0.5W/150MA. Photoelectric conversion efficiency 17% Charging time: 6-8 hours 8 Working modes: 1-Combination 2-Weaving 3-Sequential 4-Slo glo 5-Chasing/flash 6-Slow fade 7-Twinkle/flash 8-Steady on Working time: 17 hours on steady mode; Other mode: 34 hours (if fully charged) Total length: 39ft, including 32.5ft rope lights length and 6.5ft lead cable length. Note: The solar lights should be fully charged by direct sunlight for 6-8 hours before initial use.