Features: Unparalleledly precise and reliability with the Engraver Cutter Mainboard, to excels in speed, stability, and accuracy for engraving enthusiasts. Featuring ARM STM32H723VGT6 processor with a rapid 550MHz firing speed, this mainboard includes four onboards TMC2160 for smooth NEMA23 motor control and supports RS485 double controling. For 3D printer DIY enthusiasts and hobbyists advanced customization and control, the mainboard is perfect for those who demand high performances from their equipment. Transform your projects with ease, whether you're working on intricate Engraving or precise cutting tasks, thanks to its wide voltages input ranging of DC24V DC60V. With features like remote controling capability, USB port, and integrated full metal heat sinks, the The mainboard ensures efficient operation and enhances protecting for all your creative endeavors. Specifications: Processor ：ARM STM32H723VGT6 Processor Firing Speed ：550MHz rapid Support: 4 TMC2160 Supports:RS485 Controlling Size:about 164.34x104.65mm/6.47x4.12in Package Includes: 1Set Engraver Cutter Mainboard note: Due to the problemsof lighting effect, there will be tolerances in product, please understand. Please allow 0-1cm error due to manual measurement