The Garmin GT56UHD-TM all-in-one transducer provides image details so clear and precise, you can actually see fish hanging just off branches of submerged trees, brush and rocks. You can see size differences between bigger and smaller fish and even see individual fish swimming in bait balls. You get the highest resolution ClearVu and SideVu scanning sonar images available plus amazingly clear high wide CHIRP traditional sonar. It shows you incredibly detailed images of fish and structure below your boat with three (455/800/1000 kHz) ClearVu frequency settings and three SideVu sonar frequency settings. Dimensions are 218mm long, 52mm wide and 28mm high (excluding bracket). Included in the box is the transom mount, trolling motor mount, 25ft cable and 12 pin connector.