Lamp base:  E27   B22

Voltage:  110-130v/220-240v/50/60HZ
Color index:  80ra
Diameter of tube:  9mm
Diameter of plastic:  52mm
Diameter of whole tube:  56mm
Lifetime：6000/8000hrs
Wattage available:  13w  15w  18w  20w  23w  26W
Color temperature:  2700/4100/6500k