100mW Red 650nm Blue 450nm Green 50mW RGB Laser Module Diode Dot For DPSS Projecter Sight Positioning Security Light Mod Part - BeamQus
Powerful 450nm 3.5W Blue Diode Laser Module for Laser Smoke Paste Heating - China Laser Module, Blue Laser Module | Made-in-China.com
1500mw High Power Laser Module 445/450nm 1.5W Blue Diode Dot Laser 12V/Adapter & 22x90mm: Amazon.com: Industrial & Scientific
450nm 5w Laser Diode Module Blue Mitsubishi Japan Original Factory Number Photoelectric Sensor Light EmittingTube TO9 Packagin _ - AliExpress Mobile
Amazon.com: LASER TREE Laser Engraver Module (10W Optical Power), 450nm 80W Laser Module with Air Assistance, Built in FAC, Double Ultra-Fine Compressed Spot Laser Head for Laser Engraving Cutting Machine,12V