... -down Distance of Laser Head30mmWorking Travel Area1300*250mm, 1300mm width with infinity material-feedingTable Area1350*300mmWorking VoltageAC220V 50HzWorking EnvironmentTemperature: 0-45 ... : wood, bamboo, jade, marble, organic glass, crystal, plastic, garments, paper, leather, rubber, ceramic, glass and other nonmetal materials. marble tombstone laser engraving stone