... speed, hig precision, good cutting effect.Description:Laser cutting machine can engrave many materials, such as wood block,bamboo ... 11, lens: original import laser lens; 12, strap: original import transmission strap; 13, wind machine : scattering wind machine 1 set ; present 1 ... u disk , no need to assemble another computer15, electric machine: the triphase step motor ; 16,CCD Camera: included; ...