GT20-TM Transom Mount DownVu 500W (CHIRP 455/800kHz) Traditional 500W (77/200 Hz) Transducer w/Temp - 4-Pin Width_3/8" - 4" and NO DRILLING

and NO DRILLING

You can see size differences between bigger and smaller fish and even see individual fish swimming in bait balls

Use With Dometic RM2620 Refrigerator

Screw hole to screw hole Dimensions: 16 3/4" W X 19 1/2" H X 2" D

Position: Front/ Back

GT20-TM Transom Mount DownVu 500W (CHIRP 455/800kHz) Traditional 500W (77/200 Hz) Transducer w/Temp - 4-Pin Width_3/8" - 4" and NO DRILLINGTransom 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