20W Laser Module for Engraver/CNC Machine – Adjustable Focusing Head, 450nm Wavelength, Black Aluminum

🔧 General Description: 450 nm 20 W laser module for engraving and cutting — adjustable focus laser head, designed for CNC machines, 3D printers and DIY engravers. Ideal for wood, leather, fabric, paper or plastic: increased precision, high speed and low energy loss. Perfect for demanding DIY enthusiasts, craftspeople, and digital fabrication aficionados.📊 Technical Specifications Laser power: 20 W (adjustable focus: 20–70 mm) Wavelength: 450 nm (blue light) Supply voltage: 12 V PWM/TTL input: DC 3.3–12 V, 100 Hz–50 kHz Connector: XH2.54-3 pin (+, –, PWM/TTL) Dimensions (module): 120 × 40 × 40 mm Weight (module): 258 g Material: Robust aluminum alloy housing Operating temperature: –20 °C to +70 °C Package contents: 1 laser module, 3 screws, 3 washers, 1 instruction manual in English ⚙️ Installation Quick and intuitive installation. Easy mounting on your CNC machine, engraver, or 3D printer thanks to the included screws. A 30cm power cable is included—no special tools required. 🎯 Use: Engrave or cut with precision on wood, leather, fabric, paper, or plastic. The adjustable focus optimizes quality according to the material thickness. Clean, repeatable, and professional results—even for the most demanding projects. ⚠️ Other information: Laser safety glasses are mandatory during use. Do not expose eyes or skin to the direct beam. Black color. Continuous operation possible. CE compliant for professional and hobbyist use.