LEDHOLYT Outdoor 20ft 30 LED Solar Powered Water Icicle Raindrop String Fairy Lights (Multi Color) Solar power string light,20ft in length, 30 LEDs,with stake,easy to install. Rechargeable Battery inside, provide long time time lighting after fully charged under sunlight. Waterproof, can be used at any weather environment, 2 swithes, ON/OFF and MODE switch, steady and flash light mode. Both for indoor and outdoor use,make sure the solar panel in ON, so it can charge by day and work at night automatically. Widely used in roads, gardens, windows, shops, venue, stage and other places, especially as Christmas tree decorated with lights can create a warm and romantic atmosphere of the festival.