Amazon.com: NEJE 3 Max V2 Laser Engraver, Upgrade Laser Engraving Cutting Machine with 31.1”x 18.5”(790x470mm) Large Working Area,11W E40 Laser CNC Cutter and Engraver for Wood and Metal, Acrylic, Leather etc. :
NEJE Master 2S 5.5W 20W Laser Engraver and Cutter N30820 Laser Module 170 X 170MM Lightburn Bluetooth APP Control GRBL 1.1F - GEEKMAXI.COM
NEJE Portable Laser Engraving Machine Master 2S 20W with small upgrade (unbox / assembly / test) - YouTube