Wide Applicability: This 100FT led construction string lights is good partner for industry commercial application, but also personal usage, such as job site, construction site, mine cave, crawl space, warehouses, factories, workshops, attics, basements, storage areas, and any place that needs lighting indoors or outdoors. IP65 waterproof rating and has ETL/cETL Certified
Extended Lifespan: We offer an incredible 5-year warranty to every customer! We guarantee you'll love these construction string lights. ETL-certified for premium quality and safe operation, with an extraordinary 80, 000-hour lifespan