Humminbird XI-9-1521 Dual Spectrum Ice Transducer [710273-1] Communication | CB Radios This unique transmitter compensates for

This unique transmitter compensates for the movement of a rotating mast to ensure that you get the most accurate wind readings at all times

A convenient press-and-twist bayonet fitting makes attaching or removing its stainless steel whip quick and easy

It features a bonded "fogging-free" 10

4 alarm inputs

deep depth alarm

Humminbird XI-9-1521 Dual Spectrum Ice Transducer [710273-1] Communication | CB Radios This unique transmitter compensates forXI 9 1521 Dual Spectrum Ice Transducer 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 *Not compatible with non CHIRP Ice products. WARNING: This product can expose you to chemicals including