... Power source380V/50-60Hz/20A(With standard ground)Laser Marking Machine features1), support CO2, YAG and other lasers, according to ... marking the number of repeat printing times17) increase with the foot switch, easy to operate, flexible, fastand efficient18) high- ... precision two-way water cooler, to ensure that the machine is stable19) Marking card super-stable, powerful, flexible operation20 ...