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450nm 1000mw/2500mw/3000mw/5500mw/15w Laser Module 3w/5w High Power With Ttl Pwm For Cnc Engraving Machine Accessories - Woodworking Machinery Parts - AliExpress
Upgrade 4W laser RGB module for DMX /ILDA laser show system /4W laser diode with better combine lights - BeamQus
Quarton Mini Dot Size Red Laser Module VLM-635-63-LPT-50 (Class II Laser Module) (Focus: 5cm): Amazon.com: Industrial & Scientific