8M0110643 Vesselview 502 Single Engine Kit This is a genuine Mercury Marine factory OEM part, not aftermarket.VesselView 502 8M0110643 is for single engine installations only. This kit includes the VesselView Link "black box" interface device to connect your complete SmartCraft engine information system, harnessing to connect with NMEA 2000 cables and the GoFree WiFi module. Uses NMEA 2000 connectivity components for immediate, contiguous, system communication throughout your boat. VesselView 502 is capable of interfacing with broadband sonar with CHIRP, DownScan imaging, and external chart plotters. It features a 10Hz GPS and plotter capability (operators need to purchase detailed maps for their boating region).There is a Micro SD card slot on the back of the unit. It also comes with internal high-speed, 10 Hz GPS; Wi-Fi; Bluetooth, and it is GoFree cloud-enabled. Installation may require additional parts, connections or wiring depending on boat rigging.Simultaneously displays complete VesselView engine and boat operation information and control system for single engine installations