Retractable transducer with a bronze fitting. and a short cable to lead to the transmitter box.

The professional transducer comes with a bronze 2" BSP thru-hull fitting and with 3" of useable thread is excellent for most larger boats.

The professional transducer with its larger crystals has a narrower beam giving slightly greater range and better definition than the standard Transducer.

IMPORTANT - the transducer must be mounted vertically. If a 1" (25mm) of thread does not allow for hull thickness plus wedges specify the professional transducer which has 3" of usable thread.

EchoPilot Forward Looking Sonars are 200KHz