Energy Efficient and safeOutdoor string lights sets include bulbs and light strings,with classic LED edison bulbs cast a vintage glow like incandescent filaments,yet use up to 80% less power than incandescent bulbs.With an average lifespan of 30,000 hours, they outlive incandescents too. Patio lights are end-to-end linkable,connect up to25 strands of 75FT white cord, Easily light up a backyard party or camping wedding.Removable bulbs mean can use the stringer for lighting in other seasons. Weatherproof and ShatterproofLED warm white patio lights will turn your backyard, patio, and wedding into a warm getaway. The string lights are highly shatter-resistant,giving you peace of mind in whatever conditions you use,cloudy, damp, windy, foggy, rainy, snowy etc.Lasting and shatterproof bulbs make string lights a practical outdoor lighting for outdoor space,use perfect for year-round use like gardens, patio and bistros, creating a festive and inviting atmosphere.