Voltage:  110-130v/220-240v/50/60HZ
Color index:  80ra
Diameter of tube:  12mm
Diameter of plastic:  48mm
Diameter of whole tube:  34mm
Lifetime：6000/8000hrs
Wattage available:  13w 15w 18w 20w 23w  26w
Color temperature:  2700/4100/6500k