GT20-TM Transducer Sonar Frequency: 50/200/77/200 kHz Split-screen Zoom 500 W (RMS) Frequencies Supported: - CHIRP (mid and high) - Traditional: 50/77/200 kHz - ClearV?: 260/455/800 kHz Adjustable Depth Line IPX7 Water Rating Ultrascroll? Fish Symbol ID AutoGain Technolog A-scope Bu...