Lowrance Elite-7 HDI Chartplotter/Fishfinder without Transducer. The brilliant 7 in. widescreen, 800x480 pixel SolarMAX 256-color TFT display has unmatched screen brightness, contrast, resolution and viewing detail at wider angles and in bright sunlight. Adjustable screen and keypad backlight improves usability and visibility day or night. The 250W RMS sounder features 50/200KHz for offshore waters or 83/200KHz for inland waters (transducer dependent) and 455/800KHz DownScan sonar provides high-definition detail of bottom structure and objects beneath the surface. Exclusive Lowrance DownScan Imaging innovation displays crystal-clear photo-like views of structure, bottom, thermoclines, baitfish and predator fish directly beneath the boat. No interpretation needed. Selectable 455 kHz sounding for wider and deeper sonar imaging coverage, with 800 kHz for enhanced viewing of targeted locations. Use both the standard sounder and the high definition sounder at the same time to get unprecedented information about what"s under your boat. The internal 16-channel GPS antenna provides precision for navigation, and an external antenna option is also available for customized applications. Comes preloaded with a detailed background map. A waterproof micro-SD memory card slot is fully compatible with Navionics Gold chartcards, as well as Fishing Hot Spots and Lake Master map cards in the micro SD format for U.S. anglers. Built-in memory allows for up to 3,000 waypoints, 100 routes/100 waypoints per route and 100 retraceable plot trails/up to 10,000 points per trail. Features NMEA 2000 interface and deep/shallow/fish alarms. One year parts and labor warranty. Dimensions: 9.25"W x 5.4"H x 3.0"D; Wt.: 3.5 lbs. In the box: Elite 5 HDI, mounting bracket, installation hardware, owner"s manual. Transducer sold separately.