NEJE 40W Laser Module 11Pcs/Set NEJE Laser Module 2 In 1 Adjustable Variable Focus Lens and Fixed Focal Modified Laser A

Feature Designed for Laser Engraver 3D printer CNC mill 15W Optical power output 4mm plywood from 1 pass speed 200 3mm black acrylic board from 1 pass Able to engrave stainless steel but it needs good focus adjustment More Safety Built in protective glass to protect eyes Even without wearing protective glasses the operation is more comfortable More Quiet Intelligent drive adjust the cooling fan speed according laser temperature Easy use Digital PWM wave pulse signal generator adjustable frequency duty cycle board for neje laser module slidable mounting fixture is provided for easy adjustment of focus Specification Model NEJE Module 40W Heatsink Material Aircraft Aluminum Brass Shell Luminous Color Blue Section Size 40mm x 40mm Cooling Mode Temperature sensor intelligent control 10000 rpm 40mm cooling fan Dimension 60 40 40mm Adapter Plug 5 5 2 1 portCan Engrave MDF Balsa Paper Wood Fabric Plastic Leather Plywood Foam Paper Anodized Aluminum Can Not Engrave Metal Glass Stone Ceramics PCB Stainless Steel Reflective Material Transparent Material Technical Parameters Module Input 30 40W Optical power output 15WWavelength 445 450nm Beam Shape Dot Focusable Working Voltage DC 12V TTLPWM Modulation YES Compatible with Both TTLPWM Modulation Input Voltage DC12V 3 4APWM TTL Input DC3 3V 12VInput Interface PH2 0 4Pin PWM TTL Temperature 3Pin PWM TTL 2Pin 2Pin PWM TTL NOTE Temperature interface can be disconnected NE