... engrave 4,with CE laser cutting machine large working size Redsail flatbed laser cutting machine works with ... machine work with same power on each position of working table. It gives better engraving and cutting result. ... Dxf, Bmp, Ai, DstResolution2500 DPIDouble HeadOptionalPC InterfaceUSB2.0 and USB DiskRed Dot PointerOptionalAccessoriesAir assistant, Exhaust system, Water cooling sytemPower110V ...