Garmin GT51M-THP CHIRP/Side/DownVu Xdcr Pair New Condition. Features of Garmin GT51M-THP CHIRP/Side/DownVu Xdcr Pair: Perfect for the coastal and offshore fisherman who want CHIRP traditional sonar CHIRP ClearVu and CHIRP SideVu scanning sonar Clear and crisp fish arches with superior target separation Clear pictures of objects Structure and fish that pass below and to each side of your boat Included Accessories: GT51M-THP Transducer Documentation Package Contents: Garmin GT51M-THP CHIRP/Side/DownVu Xdcr Pair Garmin 010-01966-11: GT51M-THP CHIRP/Side/DownVu Xdcr Pair New Condition