Hull Mount; 7 Pin; 1200 Feet Maximum Depth; 150/ 220 kHz Full Dual Spectrum CHIRP Frequency; 15 Feet Cable; With Built In Temperature Sensor/ 7 Pin Plug/ 20 Feet Cable; Compatible With HELIX 5 CHIRP G2/ G3 GPS-Equipped Models Only HELIX 7 CHIRP G2/ G3/ G