Check the listing for details. 40W Laser Engraver Module 445nm Blue Laser Head for CNC Laser Engraving Machine. Condition: New. Listed at 106.21 USD. 40W Laser Engraver Module 445nm Blue Laser Head for CNC Laser Engraving MachineLaser Module Features：- Designed for Laser Engraver, 3D printer, CNC Mill, DIY Engraving and Cutting, this 40W laser module is widely used on CNC3018 Pro, Max, Plus, it's compatible with most 2-axis, 3-axis, 4-axis cnc controller boards in market.- Fixed Focus, no need to focus, easy to use.- Can engrave mirror stainless steel directly.- Can cut 4-5mm Plywood by one pass.- Can work without wearing laser safety goggles because of the red protective cover on the laser head.- Engravable Materials: MDF, Balsa, Paper, Wood, Fabric, Plastic, Leather, Plywood, Foam Paper, Anodized Aluminum, Stainless Steel- Cuttable Materials: Cardboard, Non-woven Fabric, Plywood, MDF, Acrylic, some thin plastic board General Specifications:Model：450nm LaserHeatsink Material：Aircraft Aluminum + PCTGLuminous Color：BlueHousing Size：40mm x 40mm x 119mmCooling Mode：12V 10000 rpm 40mm cooling fanOptical Lens：φ9 Glass LensTTL&PWM Modulation：YES, Compatible with Both TTL & PWM ModulationWire Rod: 22# 3P2.54 Terminal Reverse Wire 90mmProduct Net Weight: 185g Technical Parameters：Electric Power：36WOptical power output：4.5-5.5WEffect power output: 40WLaser Wavelength：450-460nmBeam Shape：Dot ( Not Focusable )Operating Voltage：DC 12VWorking Current：3APWM/TTL Input：DC0/5-12VInput Interface：PH2.0-3Pin (+,-, PWM/TTL)Safe temperature range：