Color Dual-Frequency Sonar /GPS Deep-sounding 50/200 kHz sonar to 2,500 feet and precision GPS+WAAS chart recorder with super-sharp 480x480 pixel display and unique memory card versatility. Comes with transom mount transducer

LMS-337CDF  FEATURES

Display << 5.0" (12.7cm) diagonal 256-color, TFT display High-detail 480 x 480 pixel screen resolution Wide viewing angles in all light conditions Advanced cold-cathode screen and keypad backlighting Resizeable windows and overlay data with choice of 4 data display sizes Sonar/Sounder << Depth penetration to 2,500 feet* (760 m) 4,000 W peak-to-peak power Dual frequency 200/50 kHz Skimmer® transducer with built-in temp/speed/distance readings FishReveal™ and HyperScroll™ features FlashGraf™ LCD flasher+sonar graph mode Standard sonar features - Advanced Signal Processing (ASP™), COLORLINE™, Advanced Fish Symbol I.D.™, FishTrack™, multi-zoom options, sonar alarms, backup memory, and more GPS/WAAS/Mapping << Precision 12-parallel channel GPS+WAAS receiver All-new, built-in, exclusive Lowrance background map with enhanced detail and nav aids Optional MapCreate™ Accessory Pack to create higher-detail mapping One waterproof slot for digital media card (MMC/SD not included) to record graphs, GPS details, and display optional custom mapping Compatible with optional  Plug-&-play FreedomMaps™ , plus Fishing Hot Spots®, and Navionics® electronic charts with deep contours 1,000 waypoints/1,000 event markers/100 routes 100 savable plot trails/10,000 points per trail 42 different graphic icons to mark your favorite spots 37 map zoom ranges, 0.04–4,000 miles Plus << NMEA 2000 compatible for networking Back-up memory saves customized settings Protective cover Sealed and waterproof Full one-year warranty