Andoer Laser Module for DIY Craft Wood Leather Fabric Paper Cutting EngravingEngraving Module with Protective Cover, Adjustable Focal Length Laser Engraving Head

Upgraded version: Equipped with adjustable protective cover to your eyes, no need to wear extra glasses while working, safer to use than ordinary head. With adjustable focal length (5.5W/ 10W/ 20W, 20-70mm) or fixed focal length (30W, 12.6mm/ 40W, 15mm/ 40W, 40mm). Made of premium quality aluminum alloy casing with great durability. It can engrave paper, wood, fabric, , leather, anodized aluminum, etc. Different 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 machine.