30W Laser Module Laser Head 450nm Blue Laser TTL Module Set for Laser Engraving Machine Wood Marking Cutting Tool

30W Laser Moudle Feature： - Designed for Laser Engraver machine, Laser Cutter, 3D printer, CNC millling, arduino project. - 2 in 1 focus, adjustable lens and fixed focal length in one module. - 7.5W Optical power output, Suitable for engraving and cutting. - More Safety, Built-in protective glass to protect eyes! Even without wearing protective glasses, the operation is more comfortable. - Modified laser air assist, avoid smoke damage to the lens. - 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. - Sliding slot is provided for easy adjustment of focus. 30W General Specification: Model：NEJE Module 30W 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 port Can 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：20-30W Optical power output：7.5W (7500mW) Wavelength：445-450nm Beam Shape：Dot (Focusable) Working Voltage：DC 12V TTL&PWM Modulation：YES, Compatible with Both TTL & PWM Modulation Input Voltage：DC12V 3A PWM/TTL Input：DC3.3V-12V Input Interface：PH2.0-4Pin (+,-, PWM/TTL, Temperature), 3Pin (+,-, PWM/TTL) , 2Pin+2Pin (+,-) + (PWM/TTL,-) NOTE：Temperature interface can be disconnected，NEJE provides text instructions for temperature acquisition on wiki. Drive Mode：External ACC Safe temperature range：