Box ceiling light for illuminating accents A pretty cube with a modern colour and shape design sets accents - this is how the effect of the Box ceiling light can be described in one sentence. Whether used individually to set the scene in a particular area or in rows, for example to illuminate a corridor or stairwell, Boxer fits perfectly into many modern lighting concepts. Equipped with a GU10 socket: all types of bulbs can be used - including economical LED bulbs - with a GU10 base.