9w full spiral lamp 1.Certification:CE SGS IS9001 2.more than 10 years OEM experience 3.sells good in Europe 11w full spiral lampdretail information:1, life time: 6000hours and 8000hours and 10000hours2, color temperature:2700k, 4200k,6400k3,voltage:110v-240v4,power:11w5,lumens: 385lm-467lm6,power factor: 0.557,base:E27,B22,E148,plastic: PBT, PC9,tube diameter: 9mmadvantage:1.more than 10years ...