450nm 1.6W 12V High Power Laser Module Blue Laser Engraving Machine Accessories
Title： 450nm 1.6W 12V High Power Focusable Blue Laser Module for Engrave and Cutting with TTL Module Laser Tube. Wavelength: 450nm Power: 1.6W. 1 450nm Blue Violet Laser Module. Adjustable laser focal length.