SainSmart 3-Axis GRBL USB Driver Controller Board DIY Engraver Control Board for GRBL
<b>SPECIFICATION</b><br> <br> Laser interface: 12V or 5V, power less than 18W laser module.<br> Power supply: voltage: 12V current about 4A , according to the load to increase or decrease the power supply.<br> Limit interface: 3-axis limit interface.<br> Probe interface: for Z axis tool zero.<br> Power interface: DC-005 2.0 interface<br><br> <b>WHAT'S IN THE PACKAGE</b><br><br> 1x Controller Board<br> 1x CD <br> 1x USB Cable<br><br><b>Manual:</b><br><br>http://s3.amazonaws.com/s3.image.smart/download/101-60-508/508_GRBL-V1.zip