Wholesale 500mW 405nm 12V Laser Module Laser Engraving Machine part Laser Head, with TTL PWM, can control laser power and adjust focus From m.alibaba.com
500mw 405NM focusing blue purple laser module engraving,laser tube diode hx2.54 2p port protective googles - BeamQus
China high power line 405nm Laser Diode Module 400mw 500mw Factory, Suppliers, Manufacturers - Customized high power line 405nm Laser Diode Module 400mw 500mw Wholesale - Elite