It adopts the advanced galvanometer scanner technology together with 2KHz diode-pumped YAG frequency doubling laser which is faster, the laser point is more thin and bright, the image also will be more elaborate and lively. It has original technology, and the maximum engraving range is 1500mmX 1000mm X80mm.I am Michelle, for detail information, please send letter to sales4(at)leadlaser.com, it is also my MSN ID, and my skype ID is leadlaser4.any enquiries will be highly appreciated.