LightBurn Compatible LX4s Enhanced C02 Laser Controller Board
[LX4s]

I bought this board to put it on my k40 and let me tell you this,the k40 works 100% better and now that Eric helped me to properly set it up in lightburn am so much happy,he's costumer service is the best he knows alot about this that it was so easy for me to do what he was telling me to do am a very happy customer, and i recoment this board to everybody that want to do great quality engravings this is it no other board is going to even be a little good as this one and the board it self looks beautiful that is something that i also apreciate. By Ramiro Gzz