Function: engrave stamp on various kinds of materials. Such as atomy/ rubber/ horn/ wood/ plexiglas/ crystal etc. Features: 1 Large power, adjustable. 2 advanced motherboard works more steady. 3 imported focus lens has long life time. 4 strong and stable aluminum working platform. 5 professional software moshidraw can be learned and operated easily. Technical specifications: Model:bx-a40 Laser tube power: 40w Processing area: 200*240mm Dimension: 350*500*800mm Engraving speed: 100-300mm/min Resolution: 0.0125mm Min. Shaping character: chinese character 2*2mm english letter 1*1mm Graphic format: bmp/ plt/ dxf/ dsb etc Gross power: 200w Weight: 38kg