... .Longer life 8000H 5.rapid start ,ce certification Energy saving lamp spiral T4 ,100% triphosphor , 2 years warrantyHigh luminous efficiency (Spiral) ... ) Save 80% energy4) Power: 7W, 15W ,20W, 26W, 30W,up to 105w5) Voltage:110V-130V, 220V-240V6)Color Temp: 2700K or ... or 4200K or 6400K.7) Power factor≥0.5 ,up to 0.958) OEM welcome