40W Laser Module For Cutting 450nm 10W Laser Output Power Laser Module with Red Protective Cover, easy to install, lower loss, provides 450nm wavelength, for efficient and precise engraving and cutting of plastic, wood, leather, paper, etc., suitable for a wide range of engraving machines. This is the upgraded version with a protective cover, the laser bottom shield can effectively filter blue light, and you can work without goggles, safer to use than the old one. Wavelength: 450nm Electric Power: 40W Voltage：12V 5A Laser Output Power: >10w Condense Beam Spot: <0.08mm Focus Beam Spot:40mm Weight：240g Laser Dimension： 40*40*135mm