5500mw/7000mw 445nm Laser Diodes Module T05 5.5W Focusing Laser Cutter Head CNC Laser Cutting Engraving Machine Parts TTL/PWM - BeamQus
445nm Blue Laser Diode 1.6W Laser Module for Engraving - China Laser Module, Blue Laser Module | Made-in-China.com
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4W Industry Laser 445nm/447nm/450nm 4000mW Blue Laser Dot Module Diode NDB7A75 w/ TTL0-20kHz & Fan Cooling & Long Time Working: Amazon.com: Industrial & Scientific
High power 1.5W~2W 445nm Blue Laser Module Osram with TTL modulation
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High Power 1W 445nm Blue Laser Module 1000mw w/Heatsink & 6.7V~7.5V: Amazon.com: Industrial & Scientific