Feature: 1. [EYE PROTECTION] The laser protective cover can protect your eyes well, filter 97% of UV light, you can watch laser engraving without wearing goggles. 2. [METAL STRUCTURE] All aluminum alloy anodized structure design makes the machine more durable and improves the accuracy of engraving, and easy to install. 3. [FIXED FOCUS DESIGN] The fixed focus laser enables engraving without focal length adjustment, and the focal spot area is 50% smaller than that of ordinary lasers, stable and efficient. 4. [GOOD COMPATIBILITY] Compatible for LaserGRBL, for LightBurn, support for Win XP, for Win 7, for Win 8, for Win 10 system, and support for NC, BMP, JPG, PNG, DXF and other file formats. 5. [WITH SCALE LINES] There are precise scale lines on the X axes and Y axes, convenient for length measurement, and the 410x400mm large area engraving range can meet your more needs. 6. [COMPRESSION LASER] The optical power is 5‑5.5W, the laser focus area is reduced to 0.08 x 0.08mm, and the high density laser can easily cut 15mm thick wood and 12mm black acrylic. 7. [EXPANDABLE SIZE] Modular design of the body mechanism, only need to replace some frame components, you can get 410 x 850mm large engraving size. Specification: Item Type: Laser Engraving Machine Product Model: ATOMSTACK A5 PRO 40W Engraving Size: Approx. 410 x 400mm / 16.1 x 15.7in 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 Power: 40W Laser Output Optical Power: 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: International standard power supply, input: 100-240V AC, 50/60HZ, output: 12V 5A Package List: 1 x X Axes Assembly 2 x Profiles 57cm 2 x Profiles 48cm 1 x Control Box 3 x Support Feet 1 x Laser Goggles 1 x Laser Device 1 x 24V 2A Power Adapter 1 x Switch Power Cord 1 x USB Cable 1 x Step 1-5 Installation Pack 1 x M5 Hex Wrench 10 x Wire Ties 3 x Small Wood Chips 1 x Fixed Focus Film 1 x M3 Hex Wrench 1 x Marker Pen 1 x Brush 3 x Acrylic Sheets 1 x Stainless Steel Backing Plate for Cutting Note: 1. When operating the laser engraving machine, please install the laser protective cover; if it is not installed, you need to wear goggles. 2. Do not touch the laser with your hands, otherwise you may burn your hands. 3. Please avoid strong impact on the machine. 4. Children under the age of 14 are prohibited from using this product, and children over the age of 14 need adult supervision. 5. The laser cannot be directly applied to any specular reflection object, which may cause injury to the operator or burn the laser. How to use: Install and use directly