1.3U light bulbs 2.80% electricity saving 3.Diameter:7mm,9mm,12mm 4.Base:E27, E14, B22 ... PBT meterials with fireproofing, PC, PP, etc.6.Base type: E27,E14,B227.CRI: Ra>=808.Power ... 6000hrs,8000hrs,10000hrs No.Watt (W) Lumens (Lm) Base Voltage (V) Color Temperature (K)Color Rendering indux ( ... saving3) With tri-phosphor powder of light tube4) High lumens, good light maintenance5) With PBT plastic which is ...