Features: This motherboard only supports firmware files in .bin format. After purchase, the firmware must be recompiled and exported as a .bin file. The burning tool must be powered by the MKS burning tool board separately; using only the USB port for power will not allow it to turn on and function. DIY writing machines can be compiled with CNC firmware. The MKS DLC32 set is an offline engraving control board developed specifically for desktop engraving machines. The hardware is equipped with a 32-bit high-speed ESP32 module, which integrates WIFI function and directly drives a 2.4/3.5-inch color touch screen. It can achieve functions such as fast carving, webpage control, and mobile app control. The installation holes and circuit board size of the MKS DLC32 are compatible with the MKS DLC and can also be used with GRBLaser and LightBurnPC software. Specifications: Material: plastic Model: DLC32 V2.1 For: Laser engraving machine 32-bit motherboard kit Features: Offline Wifi Controller Note: Due to lighting effects and shooting angles, there will be some tolerances in the product, please understand. Please allow 0-1 cm error due to manual measurement. Package includes: 1 set DLC32 V2.1 motherboard with case