【A5 PRO 40 Watt New Eye Protection Design】 Laser safety cover protects your eyes perfectly and filters 95% UV light. You and those around you can watch the laser engraving without glasses. Reduce the cost of your goggles and the inconvenience of wearing goggles. 【Solid and Easy Installation Structure Design】All-metal structure design makes the machine more solid, it reduces machine vibration and improves engraving accuracy. The whole structure is designed for quick assembly, and assembly can generally be completed within 10-20 minutes. 【Ultrafine Fixed Focus Laser】No need to rotate the lens to focus, the focal length of the laser is a fixed value, move the lens up and down close to the surface of the object to start carving. 5.5-6W laser power, ultra-fine laser focus area is reduced to 0.23mm^2, high-density laser can easily cut 12mm thick wood, black acrylic; can engrave stainless steel metal,ceramic. 【Wide Compatibility】The machine can be compatible with various mature engraving software, such as LaserGRBL, LightBurn, support Win XP/Win 7/Win 8/XP/Win 10, also support MAC system (LightBurn), engraving file format support NC, BMP, JPG, PNG, DXF, etc. 【Integrated Stepper Motor and Shaft】 There are precise scale lines on the X and Y axis for quick length measurement. Large area engraving interval of 410x400mm can meet your various engraving needs. The stepping motor and the threaded rod are integrated, making the laser movement more precise and the coupling more durable.