This control board is a 32-bit MCU control board, which runs faster, the maximum no-load speed reaches 40000mm/min, the algorithm is optimized better, the vibration is smaller when the machine moves at high speed, and the performance is more stable;Using the Type-C USB interface, it is more convenient to use and the data transmission is more stable;One-piece integrated drivePWM output frequency 10kHz, higher engraving precision and clearer detailsY-axis dual drive, stronger drive capability;5V power output port, and software controllable, easy to expand functions;Support USB flash firmware, firmware upgrade is more convenient;XY limit switch interface eachSelf-contained laser anti-burn mode, laser S value 100, after the laser is turned on, if there is no movement within 5S, an alarm will occurMaterial: plastic + metalColor as shownPackage Contents:1 x Control Board1 x Type-C CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.