UPGRADED WEATHERPROOF OUTDOOR STRING LGHTS. The commercial grade patio lights are built with advanced weather-resistance technology, ensures you can use outdoors regardless of any weather- no matter heavy rain, strong wind, terrible snow, extreme hot summer, definitely cold winter or damp climate, keeping on display all around the year with high sealing performance and durable product lifespan. EXTERIOR DIMMABLE PATIO HANGING LIGHTS. This backyard lights are compatible with almost all of the dimmers (Not Included) on market, never mind too brightness or darkness to fit your occasions, just adjust the brightness gradually to create the marvelous ambience according to your demands. By the way, do you worry that 48ft isn t long enough to use? Never mind, our Edison bulb string lights are 96ft in total, what s more, it s end-to-end connection, up to 5 packs. RETRO LIGHTS ARE IDEAL FOR WIDE OUTDOOR APPLICATIONS.