Feature 1. High Laser frequency, high engraving speed 2. High degree of automation, high reliability, can work continuously for a long time. 3. Non-touch style process ensures that the surface of the crystal keeps bright and clean. 4. Suitable for large shopping malls, tourist attractions and the place of big population like that make the personalized portrait production Technical Parameter Laser Medium Diode Pump Wave length of laser 532nm Laser Frequency 2000Hz/2500Hz/3000Hz Pulse width 7ns Engraving Range 160*150*100mm / 400*300*100mm Single Point Power 1.2MJ Cooling Method Air cooler Quality of laser beam TEMoo.M2