laser power :20w/30w/50W laser wavelength :1064nm laser quality :M2<1.4 output frequency :20khz-80khz marking area :110*110/150*150/175*175/200*200/300*300(mm) min line width :0.01mm repetition accuracy : ±0.0001mm electrical requirement :AC 90-250V/50Hz 5A marking speed :0-5000mm/s cooling system :air-cooling