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 includes a built-in fast-response temperature sensor. For hull deadrises less than 5 degrees. GT50M-TH includes a 12-pin transducer with stainless steel stem, fairing block, isolation plate and bushings, mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.