E27 10w led bulb dual colour relax emits extra warm white or warm white light the bulb guarantees a homely atmosphere as the light in extra warm white 2 000 k or warm white 2 700 k illuminates the room and can be adapted to the ambience by simply clicking the light switch twice the light bulb is also very durable with a lifetime of 25 000 hours and yet very energy efficient eec a overall the light bulb is a super investment with a beautiful design and matt finishcharacteristics