1.E40 120w LED High Bay Shop Lights 2.Bridgelux led & Meanwell Driver 3.90-120lm/w 4.3 years warranty. 5 ... light source, use multiple integrated single-chip design. 4. LED Driver: Built-in-cross-flow Meanwell power supply, to ensure ... for workshop, factory building, storeroom,toll gate, gas station, large supermarket,exhibition hall, and gymnasium ect.industrial lighting, gas station led canopy lights ...