ATOMSTACK is the first to launch an infrared fiber laser module to adapt to older model machines. Atomstack R30 Infrared Fiber Laser Module For All Metals and Plastic Features: 1. Ultra-high-precision engraving of various metal and plastic products (blue-light laser engraving of copper, gold, alloys, etc. is insufficient); 2. Cold light source, no effect on human skin, no fire hazard; 3. The spot size is better than all fiber industrial lasers and blue light, 0.03mm diameter; 4. The laser pulse frequency is 20000HZ, and the pulse energy is 6 times that of the blue laser; 5. Applicable to all engraving machine models of atomstack and ortur, sculpfun, twotree, and other brand models.