... years Features: 1Using triphosphor fluorescent power,good light effect,small color difference,CRI up to above ... efficiency of light and reduces discrepancy.4.Compact structure ,small and exquisite.low power consumption,saving energy above80% ... powder6.CE&RoHS approval Applications suitable for cylinder lamps,table lamps and used in hotels,restaurants.schools,ect., ... G23/2G7 pls 4 pin energy saving tube