... tube wood,crystal,acrylic,plexiglass,plastic servo,square guide 3D cnc laser engraving machine:SD-960 laser engraving ... on customerOperating temperature0-45°COperating humidity:5-95%Packing:wooden caseGuarantee time:1 year, laser tube 3 monthsOption: ... Billboards, artistic gifts, crystal ornaments, paper-cut, bambooand wooden product, garment and leather, embroidery, decoration. Sample products: