... alloy 3.Certificate:CE&ROHS 4.Warranty:2 years led high bay light housing Technical FeaturesItemParameter rangeProduct ModelH-GK-240Lamp ... dissipation and making sure the led life span.3.The reflector is imported aluminum, high light reflection rate , controlling ... station, large supermarket,exhibition hall, and gymnasium ect.Benefit1. 50% energy saving,low comsuption.2. Environment Friendly&pure light ...