SOLAR BALL LIGHTS: Equipped with an adjustable and rechargeable solar panel, the Christmas garden solar string lights can work continuously for 8 hours at night when its solar panel absorbs enough solar energy during the day. Energy saving and respect for the environment. AUTOMATIC: Efficient and intelligent automatic mechanism. No need for manual control, convenient for outdoor lighting decoration. There are light-sensitive elements on the solar panel, which can make the solar guinguette string lights work automatically in the dark and charge automatically at dawn. NICE WATER DROP DESIGN : Outdoor solar teardrop string lights can provide constant cool white light or twinkle beautifully. It's like a meteor shower at night! What a lovely indoor and outdoor lighting decor to create an elegant ambiance! WATERPROOF AND APPLICATIONS: IP44 waterproof level allows the solar lights to work normally in the rain or other weather conditions . The garden solar raindrop garlands are perfect