450nm 100mW Laser Module With TTL Modulation Dot/Line/Cross Focus Adjustable
445-450nm High Power 1.6W 1600mw Blue Laser Diode Dot Module / w18x45mm & 6.7-7.5V: Amazon.com: Industrial & Scientific
China 300mw 450nm Uniform Power Line Separated Laser Module Factory, Suppliers, Manufacturers - Customized 300mw 450nm Uniform Power Line Separated Laser Module Wholesale - Elite
TENLOG 3D 5.5W Optical Power 24V 450nm Laser Head , Engraving Tool for