Bright Line G9 2.5W bi-pin LED bulb with ambient dimming The G9 retrofit LED bulb from Segula with LED filaments, clear glass and warm white light colour can be dimmed with most commercially available and professional dimmers. The warm white light with 2,700 K becomes increasingly warmer as it becomes dimmable thanks to ambient dimming (2.700 K to 2,200 K). - particularly suitable for applications with high requirements for stepless dimming behaviour - ideal for studio and theatre lighting, lighting for show effects or in TV shows - for professional applications in the catering, hotel and retail sectors - particularly good colour rendering Ra90 - very good switching resilience