GT36-TM & GT15M-IH Transducer BundlePerfect for the coastal and offshore fisherman who wants CHIRP traditional sonar and CHIRP ClearVü and CHIRP SideVü scanning sonar, these bundles consistently display clear and crisp fish arches with superior target separation as well as clear definition of objects, structure, and fish that pass below and to the side of the boat.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.Features: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°