Humminbird XI 9 20 Ice Transducer

Compatible with: All 100 and 300 Series except DI, All 500 Series except DI, All 600 Series -except DI, All 700 Series except DI, All 800 Series except DI, All 900 Series except DI, 3D models, All 1100 Series except DI, ICE 385ci Combo and All HELIX Series except DI. Does not work with the PMax or Fishin Buddy systems