Laser Pointers: 445nm vs 473nm Comparison - YouTube
Survival Laser III 445nm Laser
445nm Fiber-Coupled Laser Diode System from RGB
High Power 1W 445nm Blue Laser Module 1000mw w/Heatsink & 6.7V~7.5V: Amazon.com: Industrial & Scientific
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
Focusable 1w 450nm 445nm Blue Laser Diode Module For Mini Engraving Engraver Cnc With Adapter Pwm - Stage Lighting Effect - AliExpress
Survival Laser III 445nm Laser w/Accessories & Rechargeable Batteries