30W Laser Module Kit 5pcs Fixed Lens Laser Engraver Cutter Head Set

features 30W power input, 7.5W optical power output, 445nm~450nm wavelength, vision protection, modified laser air assist and high-speed cooling fan. Great for cutting and engraving various soft materials.
Features:
- Designed for laser engraver machine. Replacement for NEJE Master series.
- 7.5W blue light diode laser, 30W module input, suitable for engraving and cutting.
- Fixed lens design, not focusing lens, change the object height to change the focus distance.
- Protective glass for more safer and comfortable operation, no need to wear goggles.
- Modified laser air assist, avoid smoke damage to the lens, keep the optical power stable.
- Quiet and intelligent drive adjusts the cooling fan speed according to the laser temperature.
- 15000 rpm high speed cooling fan for more effective heat dissipation.
- Built with heat-removing silicone grease for strict control of temperature.
- Engrave a wide range of soft materials: MDF/Balsa/Paper/Wood/Fabric/Plastic/Leather/Plywood/Foam Paper/Anodized Aluminum.
Note:
*Only works with Master series engraver.
*12V3A power supply is required if your machine is 7W or 3500mW.
*12V3A power supply and goggles are not included in the kit.
*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!