2500mW 445nm 3P Gold Laser Head 12V Blue Laser Module
FA02-2500 2500mW Blue Laser Module Heat Sink Cooling Fan DC 12V DIY Laser Engraver for EleksMaker at Rs 5393.05/piece | Laser Modules in Hyderabad | ID: 2851532299988
CNC 1000mW 2500mW Laser Module Head 1W 1.6W 2.5W 3W With Safety Glasses For 1610 3018 4540 4240 - AliExpress
Blue 450nm 2500mW Laser Engraving Module 2.5W W/ TTL And Fan Cooling | eBay