Heading Sensor for BlueTooth i-PilotThis Bluetooth-enabled heading sensor contains a compass that detects your boats heading and communicates it to your trolling motor to enable the Spot-Lock Jog feature, which lets you move your Spot-Lock 5 increments in any direction. Available as an add-on accessory for PowerDrive and Riptide PowerDrive trolling motors that come pre-installed with Bluetooth i-Pilot systems model year 2017 and after.This heading sensor comes standard with updated Ultrex, Ulter