... precixion 3.Fast carving speed 1224 cnc router machine for Wood, aluminum board, plastic, density board, wave board, PVC, acrylic, crystal, ... .3..Convenient Operation:advanced DSP control system with USB port,running without PC completely and saving PC ... gifts and souvenirs. Applicable materials: Wood, aluminum board, plastic, density board, wave board, PVC, acrylic, crystal, light marble and other ...