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 sonar has a power rating of 500 W and operating frequencies of 77/200 kHz. It also includes a built-in fast response temperature sensor. GT40-TM icludes a 12-pin transducer with mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.