[Energy-Saving & UL listed]: Our LED outdoor string lights adopt high-quality LED lights instead of traditional tungsten bulbs.Each LED bulb consumes only 1w, the lumen is equivalent to a 7w tungsten bulb. What does this mean? LED bulbs can save your electricity bill while maintaining brightness. LED bulb produce lower heat, has longer lifespan than tungsten bulb.Both bulb and string of the lights are UL listed for safe using. [Shatterproof and Weatherproof]: Our G40 string lights use high light transmittance plastic bulbs instead of fragile glass bulbs, PET plastic bulbs are wear-resistant and shatter-resistant, when used outdoors, it can better deal with extreme weather, the best choice for outdoor lighting. IP45 waterproof rating, professional outdoor decorative lighting design, not affected by sunlight, rain, snow and wind. [End to end series connection & Dimmable ]: These outdoor globe light strings are dimmable(Dimmer NOT included.)You can connect up to 17 strings according to your needs.All the remaining bulbs will continue lighting up and brightening up our life even if some bulbs broken or removed. [Easy to Use & Wide Application]: The LED string lights are flexible and easy to install. Just take it out of box or put the strand well, then screw the bulbs on sockets. And the outside string lights can be used for indoors decoration as well as outdoor ones. It is a best choice if you want to create warm atmosphere for garden, cafe, gatherings, dinner parties, bistro, pergola, birthday parties, backyard, market, weddings, city rooftops. [RISK-FREE]We value your shopping experience,we provide 100% warranty for all of our products,If for any reason our outdoor lighting don't meet your expectations, please email us, we are committed to making it right for you within 24hrs.