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Description Enhance your engraving and cutting projects with this upgraded Professional Laser Module, designed for precision, safety, and versatility. Featuring an adjustable protective cover, this laser module eliminates the need for additional laser glasses, offering safer operation compared to standard laser heads. Crafted with a premium aluminum alloy casing, it ensures excellent durability and reliable performance for long-term use. Key Features: · Upgraded Safety Design: Equipped with an adjustable protective cover to safeguard your eyes during operation, providing a safer working environment without the need for extra laser glasses. · Adjustable and Fixed Focal Length Options: Available in multiple laser power configurations (5.5W, 10W, 20W with adjustable focal length 20-70mm; 30W with fixed 12.6mm; 40W fixed 15mm or 40mm), allowing you to customize the laser focus for different engraving and cutting requirements. · Wide Material Compatibility: Efficiently engraves and cuts a variety of materials including paper, wood, fabric, plastic, leather, and anodized aluminum, making it suitable for diverse creative and industrial applications. · High Performance and Stability: Features fast engraving speed, low power loss, and excellent heat dissipation, ensuring superior stability and extended service life even under continuous operation. · Compact and Easy Installation: Lightweight and compact design with a cable length over 30cm, comes with screws and washers for quick and convenient mounting on laser engravers, laser cutting machines, 3D printers, CNC mills, and more. · Broad Application Range: Ideal for DIY enthusiasts, CNC engineers, artists, and professionals looking for a reliable laser module to enhance their engraving and cutting projects. Specifications: · Laser Power Options: 5.5W / 10W / 20W / 30W / 40W (optional) · Adjustable Focal Length: 20-70mm (for 5.5W, 10W, 20W) · Fixed Focal Length: 12.6mm (30W), 15mm (40W), 40mm (40W) · Material: Aluminum Alloy + Electronic Components · Wavelength: 450nm (Blue Light) · Operating Voltage: 12V · PWM/TTL Input: DC 3.3V-12V, 100Hz-50KHz · Input Interface: XH2.54-3 Pin (+, -, PWM/TTL) · Continuous Working Time: Unlimited · Operating Temperature Range: -20℃ to 70℃ · Laser Head Dimensions: - 5.5W / 10W: 105 x 30 x 30mm - 20W: 120 x 40 x 40mm - 30W (12.6mm) / 40W (15mm): 115 x 40 x 40mm - 40W (40mm): 100 x 40 x 40mm · Package Size: Approx. 16 x 6 x 6cm Package Includes: · 1 x Professional Laser Module · 3 x Screws · 3 x Washers · 1 x Small Plastic Sheet · 1 x User Manual (English) This professional laser module delivers efficient, precise engraving and cutting performance with enhanced safety and durability. Its versatile focal length options and compatibility with various materials make it an excellent choice for laser engravers, cutting machines, 3D printers, and CNC mills, providing users with a powerful tool to bring their creative and technical projects to life.