Semi-spiral T2(7mm) 9W / 11W / 13W 220-240V / 110-130V E27 2700K / 4000K / 6400K 10000H Half spiral energy saving lightsSemi-spiral T2(7mm)9W / 11W / 13W220-240V / 110-130V E27 2700K / 4000K / 6400K10000HCE / ROHS / GS / EMC / PCTTriphosphor coating tube, high lumen ( ≥55lm / W )Good light maintenance, up to over 80 color renderingExcellent energy saving, save 80% power than ordinary incandescent ...