XI-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 FeetNot 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 LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Cable Length (Feet): 8&'; Box Dimensions: 4"H x 8"W x 9"L WT: 0.6 lbs UPC: 082324050886 Owner&';s Manual (pdf)