New, unused. The box has been opened once to check the contents. Laser Engraving Machine ACMER S1 2.5W Processing Machine Laser Processing Cutter GRBL compatible I use the same laser machine as a hobby. It's an excellent laser for beginners. This is a completely new machine. 【Specifications】 Brand: ACMER Model: S1 Materials: Wood, bamboo, plastic, paper, leather, acrylic, painted materials, stone Cannot engrave on metal Laser Output: 2500mw Laser Wavelength: 445±5nm Supported Software: LaserGRBL, LightBurn Image Formats: JPG, SVG, PNG, BMP, G-code, CAD, AI, CDR, DWG, etc. Engraving Size: 130mm*130mm Spot Size: 0.04*0.04mm Engraving Speed: 10,000mm/min Size: 22cm*26cm Net Weight: 1500g 【Additional Notes】 1. This machine can cut wood up to 2-3mm thick in a single pass. 2. Supports the use of LightBurn and LaserGRBL software to connect to the laser machine, and is compatible with Windows and macOS operating systems. 3. This laser engraving machine is very quiet compared to similar machines. 4. If you want to increase the output, you can remove the laser device and replace it with a better one. Therefore, you don't need to buy a completely new device for upgrades. 5. The instruction manual is written in native English, so you can understand it clearly. However, there is no Japanese instruction manual.