Humminbird MEGA 360 Imaging, Universal (Geigertec) (411390-1)The Humminbird MEGA 360 Imaging Universal (Geigertec, 411390 1) is the trolling motor mount transducer that delivers 360 degree real time bottom imaging at MEGA frequency, compatible with most universal trolling motor shafts via Geigertec adapter. Humminbird MEGA 360 Imaging, Universal (Geigertec) , 411390 1 MEGA 360 Imaging is Humminbird's bottom imaging transducer that produces a continuous 360 degree image around your boat at MEGA frequency. The