High power Blue PMW micro engraving machine
Laser module 450nm2.5W
engraving machine DIY laser head
User must read:1: When using this product, please wear laser safety goggles to
protect your eyes to prevent the temporary dazzling caused by direct laser.
2: The energy is very high when lighting, pay attention to the hand or
body do not burn, maintain a certain distance, pay attention to avoid.
Because light burning will produce smoke, pay attention to
open the window in a ventilated environment.
