... convenient, no ink, and cost and so on.Laser Type:CO2 Laser: (RF-excited metal cavity completely closed, sealed off ... information input.Operating System: Microsoft Windows98Size, weight and materials:Laser head dimensions: 820 × 210 × 162mmLaser head net weight ... Cooling: atmospheric forced cooling fan, no compressed air, a very wide temperature adaptability , automatic air-cooled, without special ...