Lycheerscolour Solar Christmas String 17m 100 LED Solar Fairy String Lights for Outdoor, Gardens, Homes, Christmas Party, Waterproof (17M 100led, Warm White) Bulb Type: LED Solar. Power Source: Solar power. LED light can keep glowing for about 8 hours a night after fully charged during the day Waterproof, suitable for indoor and outdoor use Great for Christmas, party or other celebration occasions 17M 55ft 100 LED Solar Powered String Lights - Warm White