Inngree Solar String Lights 20 ft 30 LED Snowflake Waterproof Solar Christmas Fairy Lights for Outdoor Party Gardens Holiday Christmas Decorations(White,1Pack) Green-life style, the light works by using solar power, no more any other energy needed Waterproof High Performance. Solar panel and LED lamps tested as IP65 to prevent the lamps with waterproof & sunscreen To create the romantic festival atmosphere in each festival or any parties, Inngree solar LED string light being widely used in roads, garden hedge, trees of backyard, shop or mall windows, theater, etc. Two switches: Power On/ Off, Mode (Flashing/ No-flash), Solar Panel be fully charged &gt;10 hours in 1st time, the panel only be charged under "On" mode, choose "On" button at the back of solar panel before charging create a warm and romantic holidays,