20W portable mini handheld Fiber Laser Machine for metal

Marking Material: metal, steel, plastic, leather, wood, glass and so on.
Marking content: numbers, text, logo, pattern, barcode, QR code and so on.
Marking Area: 75*75mm, 100*100mm, 120*120mm, 150*150mm.
Type: 20W/30W, Plug-in/Removable battery