- Enables use of Humminbird temperature sensor accessory
- For use with 700 Series Ethernet models only
700 Series™: Ethernet Models - 778c HD, 788ci HD, 798c HD
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.
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