1.Wattage: 5w 7w 9w 11w 13w 15w 18w 2.Voltage:110-130v 220v-240v 3.ColorTemp.:2700K 6400K 4.Ave.Lifetime: 5000hrs 8000hrs 5.Base Type: E14 E27 B22 6.Dia.: 9mm 12mm 7.Quick start,no flick,small size, 8.With tri-phosphor powder ligth tube, high lumens, good light maintenance, and the color rendering index is up to over 80% 9.With the excellent energy saving, it can save about 80% powers than an ordinary incandescent lamp 10.With PBT plastic part, which with good fire-proof function.