40 LED Solar Lights for Arbor: Comes with an efficient solar panel with higher energy conversion rate to provide excellent lighting performance. Charging in sunlight for 6-8 hours, the solar string lights can work for 8-14 hours at night. No extra power required and no electricity bill. IP65 Waterproof: The performance of the materials ensures that the string lights can withstand rain and humid climates and are suitable for outdoor use, creating a pleasant atmosphere for the garden, lawn and tent. Expose the solar panel to direct sunlight. and make sure the solar panel is facing the sun directly. Automatic On/Off & Energy Saving: With the built-in light sensor, the string lights automatically turn on when it's dark and off during the day. Powered by solar energy, can save electricity and money. 8 Multifunctional Lighting Modes: Beautiful and brilliant lighting modes include wave, combination, sequential, gradual, chasing-flash, slow fade, twinkling flash and steady on. 8 lighting modes can meet all your requirements for different lights. Wide Application: These outdoor balcony lights are the perfect decoration for patio, pergola, bistro, garden, deck, BBQ, umbrella, dinner, birthday, Christmas, New Year's Eve party and more.