With all other things being equal, more power (mW) means the same work can be done faster.
Type: Posts; User: Davo
With all other things being equal, more power (mW) means the same work can be done faster.
You need to know the wavelength of the laser, and the properties of the material you intend to engrave. Some lasers will have no effect on some materials.
If those are 450nm, they'll be good for...