445nm 38W NUBM44 Blue laser diode 8pcs diodes single 4.75w
4.2W 445nm Laser Diode Component - J Tech Photonics, Inc.
A Brand new Z80 laser blue 445 nm laser diode | 8 watt (8000 mw) CW po – Endurance Lasers
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