High power 1.5W~2W 445nm Blue Laser Module Osram with TTL modulation
445nm Portable Blue Laser Pointers 800mW
250nm to 520nm Laser Shielding | J Tech Photonics, Inc.
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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
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