... 's description:1. BCL-MU Series Mini laser engraving &cutting machine adopts new-style high- efficiency laser tube, whose laser beam ... than 40% to prevent the machine from dsitortion during long term work.3. The small and modern appearance allows you to place ... planks(light planks,candlenut wood),bamboo ware, double color board, paper, leather, shell, coconut shell, ox horn, resin animal grease, ABS ...