... laser machine with RECI laser tube DM-1290L high quality:Parameter of DM-1290L Laser engraver: ModelDM ... Weight400kgOptional partsUp-down worktable, USB Port, Red light pointer,AutofocusApplicable materialAcrylic, crystal, glass, ceramic, marble, metal coating, ... Plexiglass Resin, Acrylic, Woolens, Plastic, Rubber. Ceramic tile, Crystal, Bowler, Bamboo, Marble, Granite, Tile, Delrin, Doublecolor board ...