Features: 1. Ultra-high power: the world's first 20W Pro optical power laser engraving machine. The latest four 6W laser coupling technology, powerful, can cut 10mm paulownia wood board, 8mm black acrylic board at one time, and even cut 0.05mm stainless steel sheet. 2. The product is equipped with the F30 Pro upgraded air kit as standard: the cutting ability has been greatly improved, and the cutting accuracy and cutting quality can also be greatly optimized. 3. The newly upgraded Atomstack self-developed 32-bit motherboard: built-in 256-bit color scale map, making the engraving work finer and higher contrast, so that your engraving is not only black. 4. Newly designed laser: Tired of fixed focus film? Do you think air assist is not beautiful enough? Now, the new A20 Pro laser has a built-in tool-free focusing module and a built-in air-assist system, which is simple and beautiful without the interference of wires. 5. Atomstack's self-developed mobile phone APP: Atomstack's self-developed mobile phone APP is now online in major for Android application markets and for Apple APP store (you can also scan the QR code of the manual to download), small size and multi-function, bringing a new control experience, come and try it. 6. New filter panorama glass eye protection design: The panoramic filter glass protective cover is very good for your eyes, filtering 97% of UV light, you and the people around you can watch the laser engraving without wearing goggles. Reduce your goggle expense and the inconvenience of wearing goggles. 7. Sturdy and easy-to-install structure design: The all-aluminum anodized structure design makes the machine more durable and improves the accuracy of engraving. The whole structure is designed for quick installation, and it can be installed in 20-30 minutes generally. 8. Upgraded high-performance fixed-focus laser: engraving without focal length adjustment; the focus spot area of the new laser is only 1/3 of the spot area of other ordinary lasers, which can take into account precision engraving and high-energy cutting at the same time. At the same time, the laser power of the fixed-focus laser is more stable than that of the zoom laser. 9. Extensive compatibility: The machine is compatible with various mature engraving software, such as LaserGRBL, LightBurn, supports for Win XP / Win 7 / Win 8 / XP / Win 10, also supports for MAC system (LightBurn), engraving file format supports for NC, BMP, JPG, PNG, DXF, etc. 10. Precision scale line axis: There are precision scale lines on the X axis and Y axis, which is convenient for you to measure the length quickly. The 400x400mm large-area engraving range can meet your various engraving needs. Specifications: Product model: ATOMSTACK A20 PRO Engraving size: 400*400mm/15.75*15.75" Engraving/cutting materials: Engraving material: wood, bamboo, cardboard, plastic, leather, PCB board, alumina, non-reflective plated and lacquered metal, 304 mirror stainless steel, glass, ceramic, cotton cloth, slate; Cutting material: cardboard, non-woven fabric, wood board, acrylic, some thin plastic sheets, sponge; Whole machine power: 130W Machine power: 90W Laser output optical power: 20-21W Laser wavelength: 455±5nm Engraving accuracy: 0.01mm Focusing method: Fixed-focus laser, no focusing Laser protective cover: There is a protective cover on the laser to protect the user's eyes, and there is no need to wear additional protective glasses. At the same time prevent pets from scratching the laser spot. Operating software: LaserGRBL, LightBurn, support for Win XP/Win 7/Win 8/XP/Win 10 system Supported file formats: NC, BMP, JPG, PNG, DXF Data transfer method: USB connection Power supply: International standard power input: 100-240V AC, 50/60Hz output: 12V 5A Certification: CE, FCC, RoHS, FDA, PSE Single package size: 560*520*165mm/22.05*20.47*6.5" Single equipment net weight: 7.22kg Single equipment package gross weight: 9.92kg Notes: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3mm measuring deviation due to manual measurement. Packing list: 1 x Mounting screw 1 x Tool kit 4 x Foot pad foam 1 x Fixed focus film 3 x Acrylic sheets 3 x Wood chips 10 x Wire ties 1 x Desiccant 1 x Brush 1 x Dust-free cloth 1 x Card Reader 1 x TF card 1 x Power adapter 1 x Manual 1 x Data cable 1 x Touch screen assembly 1 x HDMI cable 1 x Laser module 1 x Cutting backing plate 1 x X-axis assembly 1 x Y-axis left profile 1 x Y-axis right profile 1 x Profile on base 1 x Profile under base 3 x Foot stand 1 x F30 Pro air assist kit