I am researching lights right now for my cube. Those light look like they "Disco"
One of the videos ( I think it was a reefbuilders video) or things I read. Explained it to me with an example:
of going outside and in this case having 24 different beams slicing across you skin as they are not defused placed so close to the water like some of the more expensive light are. This can be "fixed" by raising up the light from the water surface depending on the less expensive lights, some times as high as 20+ inches.