The instruction and software is here:  https://drive.google.com/open?id=1PgDI3hHSz_wz_arF6jdA0wS1CQVhBYAD

Description:2000mW Mini CNC Laser Engraver Printer Wood Metal Stone Cutter Marking Machine Item Specifics:Laser power: 2000mWWorking range: 30*38cmEngraving speed: 200-2000m/minCutting speed: 1-100ms/pixelsOperating voltage: 100-240VWhole machine weight: 5kg or soMachine net weight: About 4kgPositioning accuracy: 0.1mmSoftware interface: English, ChineseOperating temperature: -10 - 45 degreesDriving mode: stepping motorCooling mode: air coolingTotal power: 80WOverall size: 63*51*25cmPacking size: 65*35*25cm Accessories: Aluminum 4, 5mm axis, import acrylic accessories 1 sets, control panel kits, stepper motors, screws, accessories, tools, 1 boxes, power supply, USB wire, anti laser glasses, laser module, data U disk. Use for:-- This machine can mark on stainless steel, iron and colorized anodized aluminum, can not engrave/mark on gold or silver, brass, etc.-- Can easily cut about normal hardness to soft wood. Hard types of woods should be tested by yourself.-- Can not mark on glass or similar surface.-- This machine can mark only on a completely flat surface since the focal length is fixed. Package Included:1 x Set of Metal Laser Cutter Note:1.Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid.2.The colors may have different as the difference display, please understand.