40W(8 5.5W Diode ) Optical Power Laser Cutting Engraver Module. It uses beam compression technology to combine 8 5.5W laser diodes into a single powerful laser beam with 40W+ laser power. (1) K40 Built-in8 5.5W fast-axis compression diodes, which can provide up to 40W-46W optical power to achieve fast and efficient cutting.
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