This ensures that the beam is vertically oriented to receive echos resulting in accurate depth readings. Unlike traditional "puck" type transducers, our P79 consists of a base that is bonded to the hull and filled with liquid. The separate transducer then attaches to the base with a twist lock. The sound waves travel more efficiently though the liquid, giving the best possible performance. Works with the Lowrance HDS Series and Simrad NSE Series Multifuction Display units. Features Depth 50/200 kHz 600 W RMS Mid-performance Plastic 7 Pin Blue Connector Beam Width = NONE , Cable Length (Feet) = NONE , Fairing Block Included = NONE , Frequency = 50/200 , Mounting Style = In-Hull , Pins = 7 , Speed Included = No , Temperature = No
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