All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
Voltage: 24V ( 110V-240V ); Current: 5A-6A；Support OS: Windows XP, Win7;Power interface: 5.5-2.5mm DC interface；Software: Grblcontrol/Lasergrbl; Spindle PWM speed: Support.
It is not recommended to update the software or firmware of the control board, otherwise the control board will be damage.
Do not support win10/win8/Mac OS system. The compatibility of the win10 system is very poor, the GRBL control board and the window10 system may not be compatible, and unknown (unsolvable) problems may occur. In order to ensure a good shopping experience for buyers, we have made a reminder on the product page that doesn't support win10 system.
Regarding the meaning of the control board ports, there are related descriptions on the back of the product.
About the idle ports that are not commonly used in the board, we recommend that the buyer ignore it, because if there is no certain CNC foundation, it is easy to destroy the board.
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