Wattage:220-240V; Lifetime: 8000-10000H Color temp.:2700K/4200K/6500K 1,CE Certification2,Tri-band, High efficiency,3,PBT Plasitic,Free soldering base.4,Input Wattage:220-240V5,Ra > 80, Flux efficiency :65-72Lm/w,6,Lower harmonic wave,no flicker,no noise,quick start7.Power Factor :0.60/0.958,Color temp.(K):2700K 3500K 4100K 5000K 6500K9,Life time:8000~10000Hrs10,single tube: 17mm CFL grow lamp