LED功率Power:50/100W工作电压Workvoltage:AC(85V-265V)/(50-60Hz)功率因素Powerfator(PF):>0.9LED效率efficiency:80LM/W光通量Lumens:4000lm灯具效率Fixtureefficiency:>90%发光角Viewangle:50度显色指数Ra>80色温Colortemperature(CCT):2700~7000K工作时间LEDlife:>50000Hrs净重Netweight:3.3kgs光衰Luminancedecrease:keeplighting1000hoursdecrease%1尺寸size290*236*183/size225*185*126*118)