The Garmin 010-01964-10 is a thru-hull transducer which provides ultra-clear sonar pictures of objects, structure and fish that pass below the boat. The Traditional CHIRP sonar and CHIRP DownVü/SideVü transducer is optimized for clear images at shallower depths. The CHIRP DownVü/ SideVü elements have a power rating of 500 W per element and operating frequencies of 260/455 kHz. The traditional CHIRP sonar has a power rating of 600 W and operating frequencies of mid-band CHIRP 50/200 kHz. It also includes a built-in fast-response temperature sensor. .