Features: It is suitable for 3D printers that have iron nozzle cover, for Ender-3 V2/3 Pro/5/5 etc. Laser kit is only for engraving due to its 500mW laser. This is a laser module that enables the user to engrave acrylic, paper, and many more substances. It can also cut acrylic, depending on the wattage. An advantage of laser modules is that no firmware upgrade is necessary to run most of them. Typically, they can just clip magnetically to the tool head(attached with magnets). Laser is capable of damaging your eyes, skin, and other people. Please read and follow this guidebook carefully before using the laser kit. Eye protect is needed when you work with the laser kit.The magnets on the laser head are very strong but brittle.Laser engraving/cutting can cause smoke, depending on the workpiece, it is necessary to place your machine in a well-ventilated environment; Specifications: Material:Metal Color:Black Wavelength:445nm (blue) Power:500mv Voltage:DC12V Working Current: 2100mA Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item Package includes: 1x 3D Laser Module 1x Manual