Garmin STRIKER 4 Fishfinder/GPS Combo with Dual Beam Transducer. Striker4 utilizes CHIRP technology toprovide a visibly higher level of clarity and detail for fish and structure than traditional 77/200 kHz fishfinders. Mark and return to your hot spots, boat ramps and docks. You also can share your favorite waypoints and routes with other Striker and echoMAP chartplotter combos. Smooth Scaling graphics provide uninterrupted imagery when switching between depth-range scales. Sonar history rewind allows you to scroll back through sonar images to mark waypoints you originally may have missed.Experience the clarity of CHIRP: Striker 4 fishfinder includes a CHIRP (77/200kHz) transducer, which provides a visibly higher level of clarity and detail for fish and structure than traditional 77/200kHz transducers. Instead of sending just one single frequency, CHIRP sends a continuous sweep of frequencies, ranging from low to high, then interprets them individually upon their return. Since the frequencies provide a wider range of information, CHIRP sonar technology can create crisper fish arches with greater target separation.Mark Spots with high-sensitivity GPS: Unlike regular fishfinders, Striker fishfinders have built-in, high-sensitivity non-mapping GPS to locate your current position quickly and precisely, then maintain your GPS location anywhere you go on the lake. More importantly, they allow you to mark spots where the fish are biting so you can return to them again in the future. You also can mark docks, boat ramps and other locations on the lake. Just follow the path created on your screen to return to them whenever you wish.Check your speed on-screen: You can quickly and easily see your boats speed on the screen of your Striker fishfinder. Its a great tool to make sure you are trolling at the right speed for the lure youre using and for a particular fish species. Its also a good way to tell if you are going the right speed in wake-controlled areas.Fish vertically with built-in flasher: Striker provides you with both a fishfinder and a traditional, old-school flasher all in one unit. Anytime you are stationary fishing, such as ice fishing or jigging for crappie, the built-in flasher will show you the bottom, whether it is solid or muddy, your jig or weighted bait, and the depth of fish as they swim into the sonar beam. You can
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