Is your echo series fishfinder transducer damaged beyond repair? This dual beam transducer replaces the one included with your echo series fishfinder. A 500 W 8-pin transducer with an operating frequency of 77/200 kHz; a beam width of 45/15 degrees; and it mounts on a 0 to 70 degree transom. Transducer kit comes with installation instructions and should be followed carefully to avoid damaging your boat. When using with the echo fishfinders, transducer adapter cable, 010-11947-00, is required. Garmin’s transducer, 010-10249-20, is preferred.