, With a full charge of 6-8 hours, the fairy lights can be lighted up for 4-6 hours. Manganese elements have been added to the batteries of the solar string lights to ensure that the solar battery can be charged even in winter and cloudy , Easy operation and installation. There are 2 switches, one for the mode,2 modes: normal and flashing), the other for switching on and off , Adjustable solar cell design for direct sunlight in summer and winter. Perfect lighting decor choice for indoor and outside, can withstand all kinds of weather, including heavy rain and snow , Ideal for Christmas, Party, Wedding, Ceremony, Garden, Room, Valentine's Day, Halloween, Terrace, Yard, Home, Fir-Tree, Celebrations and all occasions , Solar fairy lights outdoor with 30 LEDs warm white 20ft, cable length between each lantern: 0.5ft, extension line: 6.5ft ,