Airmar P66 Garmin Transducer Triducer 50/200khz Depth Speed Temp 010-10192-01Works perfectly, fully functional with warranty. Garmin P66 Transom Mount Transducer provides depth, speed and temperature in one package; producing focused beams that highlight detail in water columns and on bottom surface. Features: TRIDUCER Multisensor with patented noise suppression system provides 5 to 8 knot improvement over standard construction Oversized ceramic element produces focused beams highlighting detail in water column and on bottom