30W Focusable Laser Module 8pcs Universal Laser Engraving Module Kit

Features:
- Designed for laser engraver machine, laser cutter, 3D printer, CNC millling, replacement for arduino project.
- 2 in 1 focus, adjustable lens and fixed focal length in one module.
- 7.5W blue light laser, 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 to use. Digital PWM wave pulse signal generator adjustable frequency duty-cycle board replacement for NEJE laser module.
- Sliding slot is provided for easy adjustment of focus.
- Engrave a wide range of soft materials: MDF/Balsa/Paper/Wood/Fabric/Plastic/Leather/Plywood/Foam Paper/Anodized Aluminum.
Note:
*12V3A power supply and goggles are not included in the kit.
*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
*Smoke will be generated when burned, please pay attention to smoke exhaust indoors.
*Please wear laser goggles during usage and avoid touching the laser directly with your eyes and skin!