... over 50000hs lifespan 5.2 years warranty High lumens 40w led high bay light CE Description Item NO.BL-HB1 ... e, with dustpoof cover only 45 degee. 2.Material: Lamp sheel adopts excellent aluminum, anodizing and anti-corrosion treatment, ... led industrial high bay lighting 100wfor industrial lighting widely used in factory, workshop, warehouse, supermarket, exhibition, stadium hall, parking, gas station, ...