... laser machine with RECI laser tube DM-1290L high quality:Parameter of DM-1290L Laser engraver: ModelDM-1290Working ... USB Port, Red light pointer,AutofocusApplicable materialAcrylic, crystal, glass, ceramic, marble, metal coating, cloth, fabric, wood etc. Workable ... , Organic glass, Plexiglass Resin, Acrylic, Woolens, Plastic, Rubber. Ceramic tile, Crystal, Bowler, Bamboo, Marble, Granite, Tile, Delrin, ...