8Pcs/Set NEJE 30W Laser Module 2 In 1 Adjustable Variable Focus Lens and Fixed Focal Modified Laser Air Assist For Laser

Feature 1 Designed for Laser Engraver machine Laser Cutter 3D printer CNC millling ect 2 2 in 1 focus adjustable lens and fixed focal length in one module 3 7 5W Optical power output Suitable for engraving and cutting 4 More Safety Built in protective glass to protect eyes Even without wearing protective glasses the operation is more comfortable 5 Modified laser air assist avoid smoke damage to the lens 6 More Quiet Intelligent drive adjust the cooling fan speed according laser temperature 7 Easy use Digital PWM wave pulse signal generator adjustable frequency duty cycle board for neje laser module 8 Sliding slot is provided for easy adjustment of focus Specification ModelNEJE Module 30W Heatsink MaterialAircraft Aluminum Brass Shell Luminous ColorBlue Section Size40mm x 40mm Cooling ModeTemperature sensor intelligent control 10000 rpm 40mm cooling fan Dimension60 40 40mm Adapter Plug5 5 2 1 portCan EngraveMDF Balsa Paper Wood Fabric Plastic Leather Plywood Foam Paper Anodized Aluminum Can Not EngraveMetal Glass Stone Ceramics PCB Stainless Steel Reflective Material Transparent Material Technical ParametersModule Input20 30W Optical power output7 5W 7500mW Wavelength445 450nm Beam ShapeDot Focusable Working VoltageDC 12V TTLPWM ModulationYES Compatible with Both TTLPWM ModulationInput VoltageDC12V 3APWM TTL InputDC3 3V 12VInput InterfacePH2 0 4Pin PWM TTL Temperature 3Pin PWM TTL 2Pin 2Pin PWM TTL NOTETemper