Every LZRM laser engraver cutter equipped with a LCD control panel, so users can also control the laser engraver cutter by this panel. For example, lifting the working table up and down, achieving the auto focus function, moving the laser head, setting the start point of cutting, changing the working speed and adjusting the power etc. Besides, users can use the LCD panel to preview the working path of the object, to estimate the working time and to change more parameters if needed.