The XNT 9 QB 90 Humminbird Transom Mount Transducer is an essential tool for dedicated anglers. This device works to determine depth of water and aids in locating fish by sending and receiving signals under the boat. Featuring an improved running angle and a new design, this Humminbird Transom Transducer is more secure and is less prone to kick up than previous models. The new design combined with an optional lock down screw allows this transducer to stay in place, even when encountering high force waves. It is equipped with 20-, 60- and 90-degree Quadra beam angles and can be operated on 200, 83 and 455 kHz frequencies. This Humminbird mount transducer includes 20' of cable and all necessary mounting hardware, making for easy installation and use.