E27 4w led bulb in the shape of a traditional light bulb with the second highest eec of athis led bulb in the shape of a traditional light bulb is an ideal replacement for many e27 bulbs and also has a matt inner surface the efficient led filament technology is only one of the clear advantages this led bulb benefits from a powerful light output of 350 lumens which lightens up every room at a beam angle of 280 which enables almost 360 illuminationcharacteristics long life of up to