The CHIRP ClearVü/ SideVü elements have a power rating of 500 W per element (1,500 W total) and operating frequencies of 260/455 kHz. The traditional sonar has a power rating of 600 W and operating frequencies of 50/200 kHz. It includes a built-in fast-response temperature sensor. For hull deadrises less than 25 degrees. GT41-THP includes a 12-pin port/starboard transducers with stainless steel stems, fairing blocks, Y-cable, bushings, mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.