1.Luminous efficacy:≥80lm/W
2.Emiting color:WW/CW
3.Color temperature:2700-7000K
4.Lamp holder:E14/E27/B22
5.Housing color:silver/white
6.Color rendering index: ≥73
7.Power:4W
8.Working frequency:50/60Hz
9.Material: aluminum alloy and plastic