garmin-airmar®-b258This mid range 1 kW 8 pin transducer with a narrow beam is good for deep water and bottom definition. It has a depth of 1,500 to 2,200 ft; an operating frequency of 50 to 200 kHz; a beamwidth of 14x23 to 3x5 degrees; and a 0 to 26 degree deadrise. Transducer kit comes with installation instructions. Follow the instructions carefully to avoid damaging your boat. When using with a 6 pin Garmin sounder, transducer adapter cable part number 010 11612 00