Is the product pre-assembled? Etcher Laser February 25, 2019 02:19 Updated Follow It is fully assembled and ready to use. Related articles What is the wattage? Compatible Material List What type of ventilation system does it have? What is the laser’s life expectancy ? 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.