How does it work? Etcher Laser February 25, 2019 02:19 Updated Follow It is used together with a software-installed computer/ app. Integrates through Wifi and a USB interface. Related articles What kind of sensors are you using? What is the laser’s life expectancy ? What are the dimensions and weight? Does this work with metal? I don’t see my material on the list of compatible ones. How do I know if it’s safe to cut or etch with Etcher Laser? Comments 0 comments Please sign in to leave a comment.