... more than 10 years• 3 years warranty• Patent Pending.ApplicationStreet Lights, Roads, Schools, Pedestrian Walkways, Ornamental Retrofit, Wall Pack Retrofit, Squares ... Facilities and Container Parks, Power Plant Sites, Factories, Low Bay Lights, Shopping Mall, Garages, Gas Stations, General exterior area lighting, Canopy ... free to contact me.Welcome to sample order!! UL led highbay lamp