The FishElite 480 is the topflight 480x480 recording sonar/GPS+WAAS/mapping combo. It has it all, with superior resolution, target separation and power! Display: 5" (12.7 cm) diagonal screen Film SuperTwist LCD High-definition 480x480 resolution Amber LED backlit screen and keypad 16-level grayscale Overlay Data feature displays GPS data on sonar screens and sonar data on GPS screens Resize Window feature allows width adjustment of either picture panel when in split-screen display Sonar: Digitally record/play sonar graphs and GPS trip details with optional, reusable compact Multi-Media Cards (MMC) or Secure Digital (SD) memory cards. One waterproof slot for instantly-expandable memory using a single 8MB-512MB card Depth capability to 800 ft* (244 m) with 1500 watts of peak-to-peak power High-performance, low-profile 200 kHz Skimmer transducer with built-in temp sensor delivers up to 60o of fish detection area with high sensitivity settings - Operates at boat speeds up to 70 mph (61 kts) Trolling speed and distance log readings available with purchase of an optional sensor FishRevealTM feature exposes fish targets hidden in surface clutter, weed beds, thermoclines, and other types of underwater cover HyperScrollTM feature locates and displays fish targets at higher boat speeds FasTrackTM vertical bar flasher displays realtime sonar returns and relative strength of each target Advanced Signal Processing (ASPTM) automatically adjusts your settings for the best sonar picture Patented GRAYLINE separates fish from nearby structure and bottom Advanced Fish I.D.TM shows underwater targets in different sizes of fish symbols FishTrackTM displays target depth readings above fish symbols Surface water temperature readings come from a built-in temp sensor in the transducer Zoom with zoom bottom tracking and easy zoom-in/out control Selective on/off sonar alarms: Shallow, Deep, Fish and Zone GPS+WAAS: 12-parallel channel GPS+WAAS reception with fast, strong satellite lock-ons, precise tracking, and position updates every second with the external EGC-12W receiver Selectable on/off WAAS reception for enhanced position accuracy to 3 m (under 10 ft) at select locations All-new, built-in Eagle background map with enhanced continental U.S. and Hawaii detail including nav aids High-speed map screen updates Optional MapCreateTM Accessories Pack with MapCreate CD software that: Lets you create unlimited, custom, detailed maps on MMC or SD memory cards Includes unique, searchable database of streets, addresses, and over 700,000 Point-of-Interest (POI) to easily find/identify marinas, restaurants, airports, emergency services, and more Saves up to 1,000 waypoints, 1,000 event markers, and 100 routes (up to 100 waypoints/route) 100 savable plot trails with up to 10,000 points per trail 42 graphic icons to mark your favorite spots 38 map zoom ranges - from 0.04 to 4,000 miles - with easy zoom-in/out control Compatible with optional plug-and-play Lowrance FreedomMapsTM, Fishing Hot Spots Elite, LakeMaster Pro Maps, and Navionics electronic charts Performance: Internal back-up memory keeps stored GPS data and sonar settings safe and accessible for years Completely sealed and waterproof, even for use in harsh saltwater environments Full one-year warranty