Products arrived in working order, good finishes. I bought my first bulbs to replace that I found insufficient power. The result is not yet satisfactory for me. In a room of about 20/25 sqm for the portrait on black background with two headed worm feet model sitting on a chair I 1/100 s - f2.8 - ISO 200. It is still too just knowing I wish I could close F8 staying on iso 100. I experimented with and without umbrella and spots are at a distance of 1.50m modèle.Si to boards, I'm interested.