Amazon.com : NEJE A40640Ⅱ Laser Module, 10W+ Output Power, FAC Tech - 2 x Beam, Built in High Pressure Air Assist, Come with Metal Nozzle, Compatible with Laser Engraver and Cutter :
NEJE Master2 7W High Speed Mini CNC Laser Engraver with Wireless APP Control - Benbox - GRBL1.1f - LaserGRBL- MEMS Protection - Price history & Review | AliExpress Seller - NEJE Official Store | Alitools.io