... 1.5mm, crisscross-row 1mmMax Power1500WAdjustable Up-down Distance of Laser Head30mmWorking Travel Area500*300mm, 500mm width with infinity material-feedingTable ... with usb flash Applicable materials: wood, bamboo, jade, marble, organic glass, crystal, plastic, garments, paper, leather, rubber, ceramic, glass and other nonmetal materials. laser engraver machine