Garmin GT20-TM - Transom Mount DownVu 500 W (455/800 kHz) Traditional 500 W (77/200 kHz) Transducer with Temp (4-pin)Get ultra-clear sonar pictures of objects, structure and fish that pass below your boat with this all-in-one 4-pin transducer. This 20 ft transducer cable with built-in fast response temperature sensor has a power rating of 500 W; a depth of 1,900 ft (traditional) and 750 ft (DownVü); an operating frequency of 77/200 kHz (traditional) and 455 kHz (DownVü); and a 0 to 70 transom angle. Transducer comes with transom and trolling motor mounts, and installation instructions. Follow the instructions carefully to avoid damaging your boat. | 
