1、HIGH PERFORMANCE: Laser engraving machine kit uses for cortex m4 main control chip and 168M main frequency microprocessor 2、MULTIPLE FUNCTIONS: Laser engraver kit supports memory card(not included) and U disk storage, can be expanded WIFI module, power off module, broken material detection switch, external card slot 3、3.5IN TOUCH SCREEN: Clear reading, can simplify user operation process, through a clear UI interface, intuitive display of the required functions, easy for users to operate 4、HIGH ACCURACY PRINTING: The 3D printer touch screen can be highly compatible with the machine controller to provide high accuracy printing operations and print excellent quality, stable products 5、RELIABLE PCB: Laser engraver touch screen adopt excellent PCB materials, with reliability and miniaturization, good maintenance and interchangeability