-Fully waterproof -Measures 21' long -8 light functions -Includes string lights, solar panel and ground stake Bring a bubbly burst of light to your outdoor space with these bubble solar string lights. With 30 LED bulbs encased in tiny, tinted globes full of delicate air bubbles, reminiscent of your favorite fizzy drink. When fully charged you'll enjoy 8-10 hours of light for outdoor dinner parties on the patio or late night drinks with friends on your balcony. Multiple lighting functions allow you to customize your lighting experience. Choose from 8 different options to create a sparkling experience. Change light functions by clicking the mode button on your solar panel. Box includes: 1 set of string lights, 1 solar panel and 1 adjustable ground stake Directions: Leave in full sun for 6-8 hours for 8-10 hours of power. Activate the on/off switch to enable your lights to automatically turn on at dusk and turn off at dawn.