Feature:1. This item is a necessary accessory for DIY engraving machine.2. Professional laser head with high speed and high stability.3. Professional laser head with high speed and high stability. Adjustable laser head, easy to adjust, ensure engraving with good quality and high efficiency.4. Cutting Material : sponge paper, thin leather, paper.5. Carving Material : wood type, some plastics, paper, bamboo, horn, thin leather (wallet), rubber stamp, photosensitive, printing paper (material mainly used for carving, cutting can be relatively small), sponges, paper and so easy to burn Materials.Specification:Specifications:Heatsink Material: AircraftaluminumLaserColor: BlueLasermodule dimension: 33*33*90mm / 1.3*1.3*3.5inDrive Output Voltage: 12VShape Of Laser: Dot (can be focused, focallength adjustable)Voltage: 12VInterface: 5.5*2.5 (500mw), XH2.54-3P (2500mw and 5500mw)Drive Mode: Built-in Driver (500mw), External Drive ((2500mw and 5500mw).Package List:1 * Laser Module1 * Goggles1 * Connection CableNote:Please allow 1-3cm differences due to manual measurement.Please wear laser goggles during using and avoid touching the laser directly with your eyes and skin.