E27 4 w satin finished led lamp warm white the special feature of this led bulb is the fact that it is virtually identical in look and characteristics to its classic predecessor the filament bulb and yet it is extremely energy efficient it has the same dimensions and the warm white luminous colour creates a very pleasant atmosphereadvantages energy savings of up to 90 compared to conventional light bulbs eer a warm white luminous colour 2 700 k cannot be dimmed long lifespan of