Check the listing for details. Daymarc 93-3640-01 Crydom Power Relays Unit CNC Router 3d Printer. Condition: Used. Listed at 129.99 USD. This item qualifies for eBay Fast N Free - 1 day handling and free domestic shipping with USPS Priority Mail or Fedex Ground to lower 48 USA. This unit has 6 switches that power 6 Crydom solid state relays (2 larger ones and 4 smaller units). You many need to re-wire the outputs, but it is a nice power distribution unit for your project. It can control power to fans, lights, computer, router, etc. We care enough to take multiple pictures of our items for sale and all pictures are of the actual item for sale. This item is ready to be shipped upon your purchase. Please email us if you have any questions on this item. All pictures are of actual item for sale.This item was working inventory at a large semi-conductor manufacturer and is sold with a 14 day not DOA satisfaction guarantee. zm3-r7-s4 1002699 _gsrx_vers_827 (GS 7.0.13 (827))