DIY laser marking using a handheld machine involves setting up the device With touch controller, choosing your materials, and then using the touch controller to design and input text, barcodes, or graphics. You then precisely position the handheld device on the material, adjust settings like power and speed for the specific material, wear protective eyewear, and activate the laser to create a permanent mark. The Best China Supplier Offer you This Handheld Laser Marking machine. https://www.aliba