... Dual transmission of USB2.0 E. Chinese LCD, Humanity button panels F. Homemade laser tubeG. Optical system uses laser Singapore ... layered on each floor can separate definition output, the output speed, laser approach (sculpture, cutting), and the definition of ... cutting. Electric products and so on. Double-heads high speed cloth and leather laser cutting machine,laser cutter,laser engraver(SUNY-1810)