2 ms·

First, it doesn't have to be as bright as sunlight, just of similar quality. Second, you wouldn't run 5 rooms all day. Just the room you are in. And 2m X 2m is

First, it doesn't have to be as bright as sunlight, just of similar quality. Second, you wouldn't run 5 rooms all day. Just the room you are in. And 2m X 2m is enormous. No idea if your power figures are right. UV would be a bug, not a feature.

antisthenes 4y ago
You don't even need it on the 2m x 2m area. You just need it illuminating your workspace and/or your face/retinas. Bonus points if your desk is light enough to reflect the light around you.