Transom Mount Multi-Beam Transducer The 165T-TM54 is a multi-beam transducer for the DFF3D that affords a 120 degree port-starboard view of the underwater world. A built-in motion sensor stabilizes the display to give clear and stable images. Features: * Transom mount with stainless steel kick-up bracket * DFF3D operating frequency: 165 kHz * 2 x 10M Cables * Bare ended cable for DFF3D sonar * 7 pin connector for the motion * Built-in motion sensor * Built in temp sensor Warning [https://productimageserver.com/prop65/6pt.png]WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov [http://P65Warnings.ca.gov]. This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.