This machine can be used to engrave carve and etch on different materails. The index are as follows: Max. Working area: 330 x 185mm Largest laser power: 40W Operating system: 98/ME/2000/XP Application: Seal, handicrafts Outside dimensions: 800 x 500 x 260mm Power: AC 220V/50Hz Application materials: Rubber, plastic, Plexiglas, crystal, wood, leather

