LED功率Power:1瓦工作电压Workvoltage:AC(85V-265V)/(50-60Hz)锂电池输出3.7V，电池容量2200MAH功率因素Powerfator(PF): 0.9LED效率efficiency:80LM/W，100LM/W光通量Lumens:90lm灯具效率Fixtureefficiency: 90%发光角Viewangle:5，8，15，30，60度显色指数Ra 80色温Colortemperature(CCT):2700~7000K工作时间LEDlife: 50000Hrs净重Netweight:515克光衰Luminancedecrease:keeplighting1000hoursdecrease%1尺寸size7*7*70厘米