Garmin GT20-TM Transom Mount DownVu 500W (CHIRP 455/800kHz) Traditional 500W (77/200 Hz) Transducer w/Temp - 4-Pin [010-01960-00] Outdoor | Accessories Splice three-strand line or twine

Splice three-strand line or twine up to 1-1/8"

Maximum wire size - 16/1

and safety features such as automatic shut down protects your expensive deep-cycle batteries from excessive depletion

Reverse Polarity Protection: Yes

All mounting holes predrilled for easy retrofit installation

Garmin GT20-TM Transom Mount DownVu 500W (CHIRP 455/800kHz) Traditional 500W (77/200 Hz) Transducer w/Temp - 4-Pin [010-01960-00] Outdoor | Accessories Splice three-strand line or twineTransom Mount DownV 500W (CHIRP 455 800 kHz) Traditional 500 W (77 200 kHz) Transducer w 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 (DownV); an operating frequency of 77 200 kHz (traditional) and 455 kHz