Description
30W Laser Moudle Featureï¼ - 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...