Hey guys, this is what I got this morning and I'm very happy with it! I'm very happy with this machine, it achieved what I wanted, thanks to Emily from the official website for the technical support, their home after-sales service is very guaranteed, without their parameter suggestions, I don't think I would have marked such a color to my satisfaction. I don't know if it's because the managers are different, but I've bought 30W Raycus from Amazon before, and their customer service always failed ...