| Features: With adjustable focal length (5.5W/ 10W/ 20W) or fixed focal length (30W/ 40W). Made of premium quality aluminum alloy casing with great durability. It can engrave paper, wood, fabric, plastic, leather, anodized aluminum, etc. Different laser modules for engraving/ cutting different kinds of material and different thicknesses. Features high engraving speed, low power loss, good stability and superior performance, with fine heat dissipation to extend its service life. Compact and lightweight, easy to assemble, has over 30cm long line. Comes with screws, convenient and simple to be installed on the machine. Wide application, it's designed for laser engraver, laser cutting machine, 3D | |