AS ETH 5PXG 5 Port Ethernet SwitchThis waterproof switch allows you to quickly and easily connect up to 5 Ethernet items. Use it to link multiple Humminbird head units, share transducers, add an NMEA 2000 network or step up to the Humminbird Radar. With so many options and even more to come, the possibilities are endless. *The purchase of Ethernet cables is required depending on the number of devices you plan to add to this switch.WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.