Kenwood KCA-RC55MR Wired Remote for KMR-550U, KMR-555U, KMR-700U, and KMR-440U IPX7-Rated
Rounded Wired Marine LCD Remote Control for KMR-700U, KMR-550U and KMR-555U with IPX7 protection Up to three can be used with a receiver. Data cables and splitters required CA-EX7MR (7M) or CA-EX3MR (3M) remote extensions CA-Y107MR splitter when using more than 1 remote