500mW Square High-power Blue Violet Laser Adjustable Focal Laser head
Wait for it… wait for it…
2 prohibited for children to play.
I didn’t see anywhere says engraving or cutting. Seems like children toy with 5V power supply.
its only good for poping balloons or other non engraving stuffs.
Can’t work in higher ambient temperature than around 30 degrees because of the very small package TO-38.
Of course diode can bear 70 degrees but measured on the golden ring what is hard to provide without soldering the diode to the case.
those diodes have to have a heat sink or they will burn out.