Clear Vu scanning Sonar shows you more of what is in the water around your boat; This high frequency sonar gives near photographic images with detailed representations of objects, structure and fish. Waypoint map: Use the way point map to easily view, mark and navigate to locations such as brush piles, stumps and docks; Maximum depth 1,600 feet freshwater, 750 feet saltwater; Current draw at 12 volt: 0.23 Ampere. Chirp Sonar sends a continuous sweep of frequencies which provides a wider range of information; Chirp Sonar is able to create crisper fish arches with better target separation. Built in flasher: View your sonar data in the classic flasher format; Ideal for ice fishing or vertical jigging.Display size: 1.9 x 2.9 inches (4.9 x 7.3 centimeter); 3.5 inches diagonal (8.7 centimeter). Following in the success of the Striker fish finder series, Garmin is proud to announce the new Striker fish finders with ClearVu technology. Striker series fish finders are available in 3.5-, 5- and 7-inch display sizes. Display resolution: 480 x 320 pixels.