【Eay to Engrave & Assemble】This laser module is small, compact, convenient, and easy to install. Size: 35 35 99.6mm. 【LASER TREE 20W Laser Module】4W optical laser power output. Line width is narrower and suitable for ordinary plywood; Adjustable laser head(Adjustable focus: 20mm - 35mm), easy to adjust, ensures engraving with good quality and high efficiency.
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