30WLED投光灯（图）LED功率Power30W工作电压WorkvoltageAC220V/(50-60Hz)功率因素Powerfator(PF) 0.9LED效率efficiency80LM/W光通量Lumens2400lm灯具效率Fixtureefficiency 90%发光角Viewangle100 50度显色指数Ra 80色温Colortemperature(CCT)2700~7000K工作时间LEDlife 50000Hrs净重Netweight2.3kgs光衰Luminancedecreasekeeplighting1000hoursdecrease%1尺寸size225*185*126 50WLED投光灯（图）LED功率Power50W工作电压WorkvoltageAC220V/(50-60Hz)功率因素Powerfator(PF) 0.9LED效率efficiency80LM/W光通量Lumens4000lm灯具效率Fixtureefficiency 90%发光角Viewangle100 50度显色指数Ra 80色温Colortemperature(CCT)2700~7000K工作时间LEDlife 50000Hrs净重Netweight3.3kgs光衰Luminancedecreasekeeplighting1000hoursdecrease%1尺寸size290*236*183