This is a 2.5W La.ser module that could give out 445nm blue laser light
Support continuous light output working mode and can work for long time
Large heat sinks and cooling fan ensure better heat dissipation during work,445nm 500mW Laser Module with Heatsink TTL/PMW for DIY 3D Printer Laser Medicine
This module comes with power adapter for convenient use
Suitable for industrial laser engraving machine equipment, great for DIY laser engravers