KKmoon 20W Laser Module Laser Head 450nm Engraving Module

Features:
Upgrade Laser Module - Professional laser head has upgraded for lower loss and higher precision without compromising speed and stability, and can prolong the laser module's service life.
Adjustable Focus - Adjustable laser head, easy to adjust, more flexible use and ensure engraving with good quality and high efficiency.
Easy to Assemble - Small and compact, with 35cm long line, convenient and easy to install.
Well-Made Structure - Made of quality aluminum alloy, durable and sleek, available in 5 laser powers to meet different demands.
Wide application - Can be used for laser cutting machine and laser engraving machine, CNC, DIY laser and able to engrave black alumina, good at deep engraving.