18/20/23W energy saving light /full spiral 1)CE,ROHS,SAA 2)energy saving 85% ... 4)energy saving 18/20/23W energy saving light /full spiralenergy saving lamp Specification:1)CE,ROHS,SAA,ISO approved ... lamp Description Operating Voltage 220V/110V Frequency 50HZ Color Temperature 2700k/4500k/6500k Life-Span 8000Hrs Rendering Index 82- ... OEM service available. 18/20/23W energy saving light /full spiral