Garmin 9 inch colour echo sounder with sounder module gcv 20 and chirp transducer with side and down scan. Comes with navionics chip for all Australia. Includes over 400 way points Mandurah to Lancelin with some deep drop locations. As new 1 year old ,selling because i have upgraded to to a 12 innch garmin Asking price $1600 amost half price of a new model. Includes contour mapping function which records your depth as you travel and permanantly embeds the data into your navionics map chip.