... ,50-60HZ E40 led high bay lamp 50W E40 led high bay lamp for gym,plant,warehouse This ... considering saving energy and higher brightness. SOUL Brand High bay lamps with the power of 50-120W ... flickering (<100ns)3. Luminous efficacy> 85lm/W4. Long lifetime>50,000hrs,5. No RF, No IR/ ... ,000 Hrs50,000 Hrs50,000 Hrs Application:Specially for plants, warehouse lighting, production lines, exhibition halls ...