Our grbl controller motherboard is specifically designed for 40W CO2 laser engraving machines, making it a perfect replacement for your existing motherboard. if you are looking for a grbl controller that is compatible with LightBurn and can help take your laser engraving projects to the next level, look no further than our selection of high-quality grbl controller motherboards. Shop with us today and experience the difference of our top-notch products and customer service!