Humminbird XI 9 1521 Dual Spectrum: Ice Transducer, Dual Spectrum CHIRP, 15/21 Degree, 130-250 kHz. No temperature
- Compatible with: All HELIX CHIRP units utilizing Ice Fishing mode, except HELIX 12 CHIRP SI GPS , HELIX 12 CHIRP DI GPS , HELIX 12 CHIRP GPS.
- Cable Length: 8 Feet
- Not compatible with non-CHIRP ICE models.
- 1-Year Limited Warranty
