... advanced DSP control system. 3.high efficient laser power. High Efficiency Laser Engraving machine YH-6090 Equipment features:1.the ... , wood, density board, card, 2-color board, leather, glass; compose diamond, horn, plastic, the nonmetal materials such as ... USBSpecification CE/IS9001Gross power1200WParts:the allocation of laser the doul-head laser engraver is workingsamples:the material is marblethe ...