From https://www.eaglecnctec.com/products/124-20w-fiber-laser-marking-machine.html
Jinan EagleTec CNC Machinery Co.,Ltd.
Technical Parameter of nameplate engraver
Model | ET-FL20D
Laser Power | 20W (more option: 10w, 30w and 50w)
Laser Wavelength | 1064mm
Marking Size | 110x110mm (more option: 70x70mm and 200x200mm)
Marking Line Width | 0.01~0.1mm
Marking Depth | 0.01 ~5mm according to different material
Max. Marking Speed | 7,000mm/s
Power Supply | 220V/50Hz, 500W
Cooling Mode | Air cooled
Acceptable File | PLT, BMP, JPG, TIF, AI etc.