Properties & Technical parameter No.:HR-DL-7W001 Luminus Flux:560-640lm (white);420-490lm(WW) Beam Angle:30/45/60/120 Working voltage:AC85-265V/AC110-277V Frequency:50-60Hz Power Factor(PF): 0.95 Power Efficiency:>90% LED Consumption:7W Luminous efficiency:90lm/W Color Temperature:2800-7500K£¨optional Color Rendering Index(CRI): 75 LED Brand:Cree or Taiwan £¨optional LED Qty:7pcs 1W high power LED Working Temperature:-20 to +40deg Working Humidity:10%-90% Storage Temperature:-20 to +40deg Light housing materials: 108*H70 Size: 108*H70 Hole size:95mm Lifespan: 50,000H Application: Office lighting,school lighting,hospital lighting,factory lighting,home lighting,building,shop lighting,supermarket lighting,etc. Character: Energy-saving; No flicker; Quick start; No lead, no mercury and no other pollution elements; Intelligent control can be realized; High light efficiency and stable. gift box.