500mw 405nm 12v Laser Module Laser Engraving Machine Part Laser Head, With Ttl Pwm, Can Control Laser Power And Adjust Focus - Woodworking Machinery Parts - AliExpress
Buy 30W Laser Module Laser Engraving Head, 450nm 5W Output Optical Power Laser Cutting Module for Laser EngravingLaser Cutting Machine On Wood Paper etc Online at Lowest Price in Ubuy Hong Kong.
650nm 250mw Red Laser Module Laser modul Adjustable Laser Diode Lighting | eBay