I use it for two years, I love the tangy green color that dazzled the eyes is not that one little distinguished from the other beams, I tried a model from the beam starway result in green theory starway virai more blue southern indeed be ceiling sea is another effect, in short I repeat that choice on the green 30 even if the pattern is not crisp, but good at the same time, we must not confuse a laser is a gobo projector, moreover when you ask your customer what he prefers the visual of a laser, the majority of them respond to you (by ranking) -1 laser shooting, -2le ceiling , -3les ground that it does not usually look for either he dances, he looks either the beam or something, so needless into debt, this model will satisfy you ainssi your client.