Feature: 1. EYE PROTECTION: The flame retardant filter panorama glass can filter 97% of ultraviolet light, which is very good for your eyes, and you can see the laser engraving clearly without wearing goggles. 2. METAL STRUCTURE: The all aluminum alloy anodized structure design makes the engraving machine more firm and durable, while improving the accuracy of engraving, and it is easy to assemble. 3. FIXED FOCUS LASER: Engraving without focal length adjustment, stable power, light spot size is only 0.02mm², which can take into account accuracy engraving and high energy cutting at the same time. 4. GOOD COMPATIBILITY: Compatible for many mature engraving software, such as for LaserGRBL, for LightBurn, support for Win XP, for Win 7, for Win 8, for XP, for Win 10, for OS X system (for LightBurn), support NC, BMP, JPG , PNG, DXF file format. 5. HIGH DENSITY LASER: Using 4 fold lens set collimation focusing technology, the optical power is 4.5‑5.5W, which can easily cut 10mm thick wood, 6‑8mm black acrylic and mirror stainless steel metal, ceramics. 6. WITH SCALE LINES: The 200x200mm large engraving area can meet your various engraving needs, and there are precise scale lines on the X axes and Y axes, which is convenient for you to measure the length quickly. 7. INTEGRATED DESIGN: Laser with knob, the integral design of the stepper motor and the screw makes the movement of the laser more precise and the coupling more durable. Specification: Item Type: Laser Engraving Machine Engraving Size: Approx. 200 x 200mm / 7.9 x 7.9in Engravable Materials: Wood, bamboo, cardboard, plastic, leather, MDF, slate, lacquered metal, mirror stainless steel Cuttable Materials: Cardboard, non woven fabric, veneer, acrylic, some thin plastic sheets, sponge, MDF, leather Laser Electric Power: 40W Laser Output Optical Power: 4.5-5.5W Laser Wavelength: 455±5nm Engraving Accuracy: 0.01mm Focusing Method: Fixed focus laser, no focusing Laser Protective Cover: Protective cover on the laser to protect the user eyes, and there is no need to wear additional protective glasses. At the same time prevent pets from scratching the laser spot Operating Software: For LaserGRBL, for LightBurn, support for Win XP, for Win 7, for Win 8, for Win 10 system Supported File Formats: NC, BMP, JPG, PNG, DXF Data Transfer Method: USB Connection Power Supply Input: US Plug 100-240VAC 50/60HZ Power Supply Output: DC 12V 5A Certification: CE, FCC, RoHS, FDA, PSE. Package List: 4 x Assembly Spacers1 x Laser Module1 x Laser Rail4 x Foot Pad Foam1 x USB Cable1 x Open End Wrench1 x Y Axes Belt Assembly5 x Cable Ties4 x Screws2 x Hex Wrench3 x Wood Sheets1 x Fixed Focus Film3 x Acrylic Sheets1 x Cutting Pad1 x Lower Support Foot1 x Upper Support Foot1 x Control Box1 x X Axes Assembly1 x Y Axes Assembly1 x Power Adapter1 x Power Cord