Laser engraving machine: bamboo slips, wood, paper,jade, fabric,lether,shell, and the ... working hours life)3) Standard Features: Air Assist, Integrated Vector Grid & Vacuum table, Red-dot pointer. 4) Engraving Speed: 50-60000mm ... 1 output port, 4" in diameter.19) Net weight: 70kg20) Machine Dimension: 980x680x280mm21) Packing Dimemsion: 1150x880x480mm22) Packing: Polywood boxSample Gallary