Article Official LONGER RAY5 5W Laser Engraving and Cutting Machine, 40W Laser Engraver for Wood and Metal, Acrylic, Leather, Glass, 3.5 inch Touch Screen, Support Offline Engraving and APP Control Buy on Amazon Official Longer RAY5 Laser Engraver, 5000mW Optical Output Power Laser cutter with 3.5" TouchScreen, DIY Laser Engraving Machine, Laser Cutter and Engraver …