The light shell is die-casting technology with excellent thermal management, reduces the temperature difference, and ensures the lumen depreciation. Integrated breather valve, balances the internal & external temperature and humidity. Ingress protection IP66. High-strength polycarbonate lens, achieves IK08, Anti-UV transmittance>94%. The High Bay lighting optic series comes with a 3 years warranty. It can be widely applied in Warehouse, Factory, Workshop, Plant, Supermarket, Gas Station, Highway Toll Station, Logistics center, indoors stadium light, underground parking lot, etc.