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 1500 ft* (457 m) with 4000 watts of peak-to-peak power (500W RMS)
High-performance, low-profile 50/200 kHz Skimmer® dual-frequency transducer with built-in temp sensor delivers an extra wide angle of fish detection area with high sensitivity settings - Operates at boat speeds up to 70 mph (61 kts)
SP-U transom-mount sensor included for precise trolling speed/distance log readings
FishReveal™ feature exposes fish targets hidden in surface clutter, weed beds, thermoclines, and other types of underwater cover
HyperScroll™ feature locates and displays fish targets at higher boat speeds
FasTrack™ vertical bar flasher displays realtime sonar returns and relative strength of each target
Advanced Signal Processing (ASP™) automatically adjusts your settings for the best sonar picture
Patented GRAYLINE® separates fish from nearby structure and bottom
Advanced Fish I.D.™ shows underwater targets in different sizes of fish symbols
FishTrack™ 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, and Fish
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