Garmin Transducer Accessory Speed Sensor (8-pin) -
Easily collect speed data and send it to your device with our speed sensor. Simply mount our speed sensor on the transom of your vessel and connect it to your device. The paddle wheel on the speed sensor turns as the vessel moves through the water, and speed data is collected and displayed on your device. Compatible with Garmin GSD 24 and GSD 26 (The connector must be cut-off for the sensor to work with the GSD 26).