energy saving lamps 1.certification :ROHS, CE,CB,CQC ,ISO9001 2.8000H life span;saving 80% energy Supply Voltage: 100-130VAC/50-60Hz 220-240VAC/50-60HzColor Temperature: 2700k or 6400kBase Type: E27 B22 E14Marked Power: 15W 18W 24Wcertification :ROHS, CE,CB,CQC ,ISO90018000H life time;saving 80% energy compared with normal incandescent lamp.