Full spiral type More compact structure,cuter appearance. Long life with low lumen attenuation. High light output and efficency Energy saving lamp of Full spiral typeVolt:110-130v 220-240vWatt:15-200(W) Base:B22, E26,E27,E14 Luminous:850-5000lmColor:2700K-6700 KRendering index>80Calibre:17mmLifetime: 8000hrs