The Garmin Striker 5DV is a great unit for freshwater use.
It only has basic navigation functions.
Easy-to-use 5-inch color fishfinder with built-in, high-sensitivity GPS and Garmin CHIRP DownVü scanning sonar
Find fish; mark and return to hot spots, docks and ramps
Includes Garmin GT20 transducer with CHIRP (77/200 kHz); transmit power (500 W RMS)/(2,400 peak-to-peak) with 455/800 kHz CHIRP DownVü (300 W power)
Upgrade to high-performance CHIRP with a GT22 or GT23 transducer (each sold separately)
Share waypoints and routes with other STRIKER or echoMAP chartplotter combos
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