GPSMAP 527xs with transom mount transducer, includes map world base pre-installed. Independently of the type of installation (to the evenness, fixed or with gyratory support) it is visible so much by day as by night. It is very easy to use. Compatibility with CHIRP.
In Náutica Almerimar we supply very high quality ropes, for the different applications on the boat such as halyards, moorings, elastics, as well as threads and needles to sew sails, etc