XDCR XI 9 1521 CHIRP ICE FISHING

130/ 250 kHz Dual Spectrum CHIRP Frequency; 15/ 21 Degree Beam Angle; 8 Foot Cable; Dual Spectrum; 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; Not Compatible With Non-CHIRP ICE Models