Features: 100% brand new and high quality V2.2 motherboard and motors are offline engraving master control kit developed for desktop engraving machine writing robot. The hardware is equipped with 32 bit high-speed ESP32 module, integrated WIFI function, and directly drives a 3.5in touch color screen. The mounting holes and board size of MKS DLC32 are conpatible with MKS Dlc and it can also used with GRBlaser and Lightburn PC software. Available to adjust the power, movement speed and engraving speed. Border preview; Super grayscale carving function. Precise positioning and high precision carving. Repeatable circular engraving Package Includes: 1 Set x DIY Writing Robot Motherboard Package 3 PCS x Stepping Motors and Accessaries Specifications: Controller Size: approx 9x7cm/3.54x2.75in Material:PCB+Metal Module:V2.2 MCU: Dual Core 32 Bit Chipset : ESP32-D0WD-V3 Volt:12V-24V Machine Available:for Writing Robot Engraving Machine note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.