... waterproof design ensure stable transmission. Application: 3D/2D engraving, Embossment, Line engraving, Cutting, Edge inversing, Drilling on Natural stones ... to demands Max Moving Speed 30000mm/min Max Engraving Speed 10000mm/min XYZ traveling positioning accuracy ± ... ~45ºC Relative humidity: 30%~75% Engraving Samples: http://www.chinaengravingmachine.com/pid10569838/Stone+Work+Cnc+Engraving+Machine.htm