Garmin Xdcr GT15M In-hull Mid-Band CHIRP New Condition. It can be used with a hull deadrise angle between 0 and 25 degrees and is excellent for boats traveling at high speeds that want to maintain accurate depth readings. The 8-pin transducer with 4 plastic tanks features mid-band CHIRP traditional sonar (85-165 kHz) and has a power rating of 600 W. It can be used in conjunction with a GT30-TM transducer and an adapter cable so you can maintain depth at high speeds and scanning capabilities at trolling speeds. For installation follow the included instructions carefully to avoid damaging your boat. Features of Garmin Xdcr GT15M In-hull Mid-Band CHIRP: 600 watt power Depth of 1 900 ft Freshwater Mid-band CHIRP traditional sonar (85-165 kHz) Included Accessories: GT15M-IH transducer;4 plastic tanks;Mounting hardware;Documentation Documentation Package Contents: Garmin Xdcr GT15M In-hull Mid-Band CHIRP Garmin 010-12402-00: Xdcr GT15M In-hull Mid-Band CHIRP New Condition