102FT Solar Outdoor String Light with 50+2 Shatterproof Bulbs, It can be fully charged for 8 hours one time on a sunny day and can be used for 8-12 hours. If it is cloudy or rainy, you can use the USB port to charge the panel, which means it can still be used during winter without enough sunlight. The solar-powered garden lights have built-in dusk to dawn sensor, automatically turned on at night and turned off during the day. Press the “mode” button on the back of the solar panel to switch 4 lighting modes: one always-on and three flashing modes (Breathing Mode, Fast Strobe, and Slow Strobe). to meet all your needs and create a warm atmosphere. Besides, these LED string lights can dim brightness from 25% to 100%. And timing 3 / 5 hours. No extra dimmer is needed. These solar festoon lights will create a vintage and romantic atmosphere in your space. made your garden feel cosier and more welcoming. Globe LED bulbs emit natural warm white light, Perfect lighting for indoor/outdoor, patio, backyard, deck, bistro, café, festoon, wedding, party, Christmas, and various occasions or events.