Humminbird WeatherSense Barometric Pressure Monitor

Monitor the fishing conditions on your Humminbird GPS unit. The Humminbird WeatherSense Barometer monitors barometric pressure in real time and displays the information on your Humminbird marine GPS unit. The cable from the pressure monitor to fish finder is approximately 38" long.

Compatibility: 757c Combo, 778c Combo, 798c SI Combo, 957c Combo, 967c 3D Combo, 997c SI Combo, 998c SI Combo, 1197c Si Combo