12 light boxes 3 pieces each in 4 different sizes and 1 house lighting board with a white LED. The light boxes for indirect window lighting enable a completely new type of individual room lighting. For the illumination of the light boxes we recommend the articles 6007, 6008 as well as 6017 and 6018. The light boxes are glued behind the windows from the inside and give depth to the room. In this way, shining through the walls is prevented. Dimensions of light boxes (max. window size): 18 x 26 mm, 16 x 21 mm, 12 x 19 mm, 14 x 22.5 mm.