445-450nm High Power 1.6W 1600mw Blue Laser Diode Dot Module / w18x45mm & 6.7-7.5V: 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
450nm Blue Laser Diode Module | Laser Diode Blue Power | Blue Laser Diode Cutting - Instrument Parts & Accessories - Aliexpress
445 nm Low Noise Blue Laser Diode MLL-III-445 — HJ Optronics, Inc.
405nm 50mW violet/blue laser diode module with driver and wire and spring(Dot ) | eBay
Professional OEM Mini 450nm 5MW Blue Laser Diode Module - China Laser Module and Laser Module 450nm 5MW
445nm 450nm 1mw~80mW Blue laser module Dot positioning module laser