EleksMaker® LA03-500 450-500mW Violet Laser Module With Holder For Mini Engraving Machine Sale - Banggood USA Mobile-arrival notice
405nm 300mw~500mw blue-violet laser diode module DC 5V 12V with cooling fan support
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