Airmar SS175C-20-H 20d Tilt High CHIRP with Humminbird 9-Pin Brand_Fireboy-Xintex super-low friction ball race system

super-low friction ball race system features Delrin balls running on a large diameter center boss

DRI-LOC® O-ring seal

Anti-Airlock Technology: The advanced impeller design prevents airlocks

SPDT Sealed Toggle Switch - ON/ON

Airmar SS175C-20-H 20d Tilt High CHIRP with Humminbird 9-Pin Brand_Fireboy-Xintex super-low friction ball race systemAirmar SS175C 20 H 20d Tilt High CHIRP Humminbird 9 Pin Model: SS175C 20 H Depth and fast response water temperature sensor 1 kW with a maximum depth of 304 m (1000 feet) High Frequency: 130 kHz to 210 kHz 10 deg to 6 deg beamwidth 80 kHz of total bandwidth from one transducer High frequency provides superior shallow water performance, bottom detail and fish target separation Recommended boat size: Up to 11 m (36 feet) Stainless steel housing is