This Bluetooth-enabled heading sensor contains a compass that detects your heading and communicates it to your trolling motor to enable the Spot-Lock Jog feature, which lets you move your Spot-Lock location in five-foot increments in any direction. Compatible with Bluetooth-enabled i-Pilot systems only. Refer to your original product manual to ensure system compatibility. Two-year warranty. Model#: 1866680.NOTE: This heading sensor comes standard with Ultrex, Ulterra, Terrova, Riptide Ulterra, and Riptide Terrova trolling motors that come pre-installed with Bluetooth iPilot and i-Pilot Link systems (model year 2017 and after). The sensor is 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). Compatible with Bluetooth-enabled iPilot systems | Minn Kota Heading Sensor with Bluetooth