Laser Engraver Upgrade Pack (500mW) for XY-Plotter Robot Kit V2.0 - a laser engraver upgrade for the Robot Kit XY plotters (SKU: 90014) and mDrawBot (SKU: 90070 & SKU: 90078). It adds laser engraving capabilities to these 2 robot kits. Software: Controlled by mDraw or Benbox. The laser engraver upgrade pack can engrave amazing patterns and words on phones, wallets, jeans, boards, paper, etc. Note: Avoid direct eye contact with the laser beam; always wear goggles while operating; DO NOT irradiate others with the laser; keep it away from children and others who are not familiar with laser use; for ages 18 and older, please use the laser under parental supervision. Specifications: Laser engraver: Pack (500mW) Wavelength: 405nm Power: 500mW Operating temperature: 0℃ - 50℃ Engraving accuracy: 0.1mm Software: mDraw & Benbox File types: JPG, PNG, BMP, GIF, DXF