The omission of the glass bulb makes this energy saving lamp suitable for use in lamps whose lamp shade had been interpreted in the light design related closely space for the previously conventional incandescent smaller versions with E27 thread. The color of light is warm white and very suitable for living spaces. There is no noticeable delay. The specific case in order stocked multi-arm ceiling lamp has frosted glass lampshades that conceal the light source completely, while being simultaneously illuminated very evenly, so that the spiral shape is not recognizable.