HawkEye XDR-AMR-P19T-9150 Universal Airmar 200Khz Thru-Hull Transducer with Water Temperature Sensor Airmar 200KHZTHRU HULL TRANSDUCER WITH WATER TEMPERATURE SENSOR Prepped with bare wires for connecting to your existing display Requires Drilling a 2" Hole In Boat Hull- Airmar P/N P19T