Features:On-board DIP-switch, you can easily adjust the drive segments. Integrated drive to prevent short circuit of the chip, integrated heat sink.Terminal-power connector for easy connection drive power. Compatible with 12 / 24V drive scheme.Supported: offline controller, external high-power drive, emergency-stop, reset, continue, pause, limit-switch interface, which can meet different-needs.Both the data transmission chip and the-main control chip use an external crystal oscillator, the transmission operation is-more stable.Can be used for laser engraving machine, drawer machine, cnc engraving machine. Specifications:Material:PlasticSize:As Picture Shown Note:Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Thanks for your understandings. Package includes:1x 3-axis Control Board