Perfect for the shallow water fisherman who want CHIRP traditional sonar, CHIRP ClearVü and CHIRP SideVü scanning sonar, this transom mounted transducer consistently displays clear and crisp fish arches with superior target separation as well as clear pictures of objects, structure and fish that pass below and to each side of your boat. The CHIRP ClearVü/SideVü elements have a power rating of 500 W per element (1,500 W total) and operating frequencies of 455/800 kHz. The traditional CHIRP sonar has a power rating of 300 W and operating frequencies of mid-band CHIRP 80-160 kHz. It also includes a built-in fast response temperature sensor. GT50M-TM includes a 12-pin transducer with mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.