This CNC engraving machine features an effective working area of 11.8"(X) x 7.1"(Y) x 1.8"(Z), and is made of sturdy aluminum. It features a USB port, GRBL control board, and an offline controller, convenient for you to operate efficiently with or without computers. It is an ideal tool to engrave all types of plastics, soft aluminum, wood, PVC, and more.