Notes : To use Any Modules with the Power Grid System, PN 7720 and 7730, Users MUST Plug the Modules into a 4-Connector CAN-Bus Hub to be Attached to the Power Grid System ControllerSeries : Power Grid SeriesWarranty : 1-year MSD limited warrantyAnticipated Ship Out Time : 3-4 business daysQuantity Sold : Sold individually