Specification: Model: M4 Device Size: 320x200x255mm(LxWxH) Device Weight:  5.89KG Rack Material: Metal rack Laser Power: 2W Electric Power: 20W Laser Life: ≤30000H Laser Wavelength: 1064nm Standard Speed: 12000mm/s Marking Accuracy: ≤0.001mm Marking Format: 70x70mm Switch: Standard  Marking repeatability: ≤0.001mm Total Power: Supply voltage 12V power ≤100W Output Power: AC 100-240V,50/60HZ     Data Transmission Method: USB transfer Maximum Engravable Item Height: 70x70mm Power Supply: International common standard power supply Input 100-240V AC, 50/60HZ Output: 12V 8A Operating Software: SeaCAD5.1 (free), supports Windows XP, Windows VISTA, Windows 2003, Windows 7 and Windows 10 Supported File Formats: Support PLT, DXF, BMP, JPG, JPEG and other image files; support Code39, EAN, PDF417, DM and other 1D barcodes and 2D barcodes; support marking dynamic files Scope of Application: Common metals and alloys (all metals such as iron, copper, aluminum, magnesium, zinc, etc.), rare metals and alloys (gold, silver, titanium), metal oxides (all kinds of metal oxides are acceptable), special surface treatment (phosphating, aluminum anodizing, electroplating surface), ABS material (electrical appliance shell, daily necessities), ink (light-transmitting keys, printed products), epoxy resin (electronic component packaging, insulating layer), leather, wood (painting), Ceramic (painted), stone, etc. Packing List: 1 x M4 Marking Machine Kit