lighting parameter:LED type: SMD Led.
Led amount: 54PCS
Cooling device: aluminum
color temperature: 2700-3200K, 4000-5000K, 6000-7000K.
Color Rendering Index: 72-82
Total Power: 3W, 5W.
Power factor: 0.68
Input voltage: AC100-240V, custom made.
Socket style: E27,GU10,B22,E14,E17 Base
Life warranty: 30000hrs.
Luminous flux:  380-450lm.
Beam angle:  150 degree
Dimmable: can be dimmed for AC220V,