I really like this portable desk. I can sit up straight or cross-legged as I have plenty of legroom even with a small box on one side. I didn't use a light or fan, but it was easy to set up. I use a phone/tablet holder which is very handy. I have a large chair that I like to work in, and because the legs fold in, I not only place it in the chair with my legs raised, but sometimes let them sink into the fold of the cushion, which may not be as it should be should. used but works fine for me. The tabletop is large enough that I use it for reading, studying, and some arts and crafts (e.g.
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