... 78mm 2,Luminous Efficiency 100LM/W 3,Lumens 400LM 4,Color Temp 2700K-7000k 4w LED CupFeatures:1.High ... natural view.2.Super energy saving, save about 3/4 than general energy-saving lamp, and can save about ... holder:GU10,E27,MR16 and others2.Voltage:AC86V-265V3.Power:1*1w,1*3w4.Color:White,Warm White,Red ... natural view.2.Super energy saving, save about 3/4 than general energy-saving lamp, and can save about ...