Second Mounting Station Mount any additional chartplotter on your boat with this second mounting station. Includes: * Wiring harness to power your compatible device and connect to an optional NMEA 0183 network, CANet device and transducer Compatible Devices: * GPSMAP® 500 Series Warning [https://productimageserver.com/prop65/6pt.png]WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov [http://P65Warnings.ca.gov].