In The Box: GT36-TM Transducer Bundle (Includes GT8HW-IH Transducer) GT36UHD-TM transducer with 12-pin connector 25 ft transducer cable Transom mount Trolling motor mount Mounting hardware Documentation GT8HW-IH transducer with 8-pin connector 20 ft transducer cable In-hull fitting Documentation Y-cable (12-pin and 8-pin transducer to 12-pin sounder adapter cable) GT36-TM Transducer Bundle (Includes GT15M-IH Transducer) GT36UHD-TM transducer with 12-pin connector 25 ft transducer cable Transom mount Trolling motor mount Mounting hardware Documentation GT15M-IH transducer with 8-pin connector 20 ft transducer cable 4 plastic in-hull tanks Documentation Y-cable (12-pin and 8-pin transducer to 12-pin sounder adapter cable) These bundles include the GT36-TM transom mount transducer which offers ultimate versatility, featuring Ultra High-Definition ClearVü and SideVü scanning sonars for crystal-clear images of fish and structure, so you can spend more time catching fish. Both bundles help you maintain accurate depth readings at high speed, are intended for boats with fiberglass hulls, and include the y-cable required for installing both transducers. Choose the bundle with the GT15M-IH in-hull transducer, featuring mid-band CHIRP traditional sonar, if you have a boat with a fiberglass hull and a deadrise from 0° to 25° Choose the bundle with the GT8HW-IH transducer, featuring high-wide CHIRP traditional sonar, if you have a boat with a fiberglass hull and a deadrise of 0° to 6°