450nm 10W Blue Engraving Laser Module. Focus size: 0.08x0.15mm.
Lens:Professional focusing optical lens. LD input current 3.8Ax2. Feedback : 1Your Feedback is really important to us, please take a few seconds to leave great feedback if you are satisfied with our product or service, thanks!2We always offer the lowest price for best goods and service to you. We will try our best to solve the problem and leave you a happy shopping mood here.