Solar String Lights Outdoor Waterproof, 39 ft 100-LED Solar Lights Outdoor, 8 Lighting Mode Solar Fairy Lights for… Price: $13.99 (as of 01/25/2022 00:04 PST- Details)

8 LIGHTING MODES: Our solar string lights has 8 modes, which is Combination, in wave, sequential, slo glo, chasing/flash, slow fade, twinkle/flash, and steady on. Choose your favorite modes on different occasions.
ENERGY SAVING AND HIGH EFFICIENCY: Solar panel plus the inbuilt rechargeable battery. Powered by solar energy, have no extra utility electric cost. It can work up to 8-10 hours after being fully charged (6-8 hours).
AUTO ON/OFF AND MEMORY MODE: Solar string lights auto on at dark and auto off at daytime. when you restart the light, the built-in memory chip saves your last modes setting, so there is no need to reset it again.