Featured image of post Diy Pcb Cnc Laser Engraving And Etching Machine - 500 Mw / Laser engraving cutting plotter laser printer.

Diy Pcb Cnc Laser Engraving And Etching Machine - 500 Mw / Laser engraving cutting plotter laser printer.

Laser pointers are generally around 5mw, that's milliwatts.