Model JCUT-40W-A JCUT-40W-B JCUT-40W-4040B Engraving size 230mmx200mm(Clamp is 140mmX100mm) 400 x400mm Whole machine size 800 x 520x 290mm 1,050 x 750x 300mm Laser power 40w Engraving speed < 200mm/s Resetting positioning accuracy ±0.1mm Engraving accuracy 0.025mm Power supply AC 110 - 220V ±10%, 50 - 60Hz Gross power