Solar and USB Charged: These pergola lights can work up to 10 hours after 4 to 8 hours of charging by sunlight. A 180 degree adjustable panel allows you to get the optimum sun exposure. The usb charge can be complementary when there is no sufficient sunlight during the day Shatterproof and Waterproof: This outdoor string lights is Water-proof IP44 and durable (end to end), and are built with Weatherproof-Tech so that they can withstand extreme temperatures, rain, wind, and damp climates. The cord is made of rubber, flexible, and thicker than a traditional cord so that you can confidently leave these ultra-durable commercial string lights on display all year long. 4 Lighting Modes: The Outdoor solar string lights are designed with four alternative modes which are the quick flash, steady light, slow flash, pulsating light, 4 fabulous lighting modes designed to smooth you in every mood. These outside patio lights have a light sensor and automatically off at dawn and automatically on at dark Energy-saving LED String Lights: The led string light total length 29 feet, 12 inch spacing between per led G40 bulbs (e12 base). Each led bulbs only 1w, help you save more electricity while giving out cozy illumination in your place. These bulbs are cool to touch after hours of use. G40 String Lights are flexible and easy to use. Even in case of broken or removed bulbs, all of the remaining bulbs will continue to light up and brighten up your life! Wide Decorative Use: The string lights need no outlet, perfect decoration for the bedroom, living room, and outside space like rooftops, deck, tent, porch, pergola, market, umbrella, balcony. Add a relaxed and romantic ambiance to your party, camping, wedding