Refurbished AtomStack A5 M30 30W CNC Laser Engraver DIY Engraving Cutting Machine for Wood Metal

What are the AtomStack refurbished machines and accessories? Undergoes full functionality testing, where any defective modules are replaced; Is put through a thorough cleaning and inspection process; Is repackaged (including appropriate manuals, and parts); Undergoes the same basic testing procedures and is assessed with the same technical guidelines as new AtomStack products; Some of the refurbished products may have slight signs of wear, which will not affect the normal functionality of the machine. Return requests for such reasons will not be entertained. The warranty for AtomStack's refurbished products is three months. (However, refurbished products can only be exchanged for refurbished products, not new products) Specifications: Engraving size  410*400mm/16.14*15.75  Engraving material Wood Bamboo Cardboard Plastic Leather PCB Board Aluminium Oxide Non-Reflective Electroplated and Lacquered Metal Ceramic (Need to be painted black) Cutting material Cardboard Non-woven Fabric Thin Wood Board Acrylic Material Some Thin Plastic Boards Machine power 30W Laser output optical power 5W-5.5W 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 Equipment net weight 4kg Packing weight 5.6kg Equipment size 570*600*270mm/22.44*23.62*10.63  Packing size 618*342*129mm/24.33*13.46*5.08  Certification CE FCC RoHS FDA Precautions: 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. It is forbidden for children under 14 years old to use this product and children over 14 years old need adult supervision.5. Do not apply the laser directly to any specular reflection object which may cause injury to the operator or burn the laser.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.