KIT S Sensor & Magnet for X1 × 2 × 3 - Marine Sensor Kit | 4BoatsMarine grade KIT S sensor and magnet for reliable signal detection and magnetic activation on X1, X2 and X3 marine instruments. Sensor detects instrument input signals Magnet magnetic coupling for activation Compatibility fits X1, X2 and X3 models Construction corrosion resistant materials for saltwater use Application suitable for professional and recreational vessels Designed to integrate with KIT X series instruments for dependable operation at sea.