445nm 1w 2.5w Blue Laser Module High Power Head Pwm Ttl Cnc Engraving Machine - Stage Lighting Effect - AliExpress
1W 445nm Blue Laser Diode - China Laser Diode and 1w 445nm
High Power Laser 1W 445nm for Engraving and Cutting High Power Laser 1W 445nm for Engraving and Cutting [RKI-3806] - ₹5,100.00 : Robokits India, Easy to use, Versatile Robotics & DIY kits