LUM>65lm/w life time:10000hours color:daylight,warmlight,etc. half spiral,full spiral,T2-T5 different ourside diameter Half spiral glass tube:20W110-130V/220-240VLUM>65lm/wlife time:10000hourscolor:2700K,4200K,6500KRa:82pure tri-phospherTube diameter: T2,T3,T4,T5different ourside diameter from 38mm-68mm