This premium fishfinder features all-in-one transducer that delivers both advanced HD-ID 77/200 kHz and Garmin DownVu scanned images simultaneously on a horizontally or vertically split screen. The images provide the clearest possible fish arch returns and nearly photographic bottom/structure details under the boat.

With its bright, crisp 5-inch high-resolution VGA color display, the echo 551dv has Smooth Scaling which provides smooth transitions from shallow to deep water and back again. Narrow-to-wide viewing cone angles give you a big picture well beyond the sides of your boat from shallow water down to 2,300 feet maximum. Also includes sonar history rewind and 4,000 W peak-to-peak power. A quick-release tilt/swivel mount plus transom and low-profile trolling motor transducer mounts make installation a snap.

Specifications and Features:
Unit dimensions: 6"x5.9"x1.8"
Display size: 5" diagonal
Display resolution: 480x640 pixels
IPX7 waterproof
Audible alarms
Dual frequency and dual beam capable
Split screen zoom
Ultrascroll (displays fish targets at higher boat speeds)
Fish symbol ID
AutoGain technology minimizes clutter and maximizes targets
Whiteline (indicates hard or soft bottom)
Adjustable depth line (measures depth of underwater objects)
Bottom lock (shows return from the bottom up)
Water temperature log and graph (sensor included)
Water speed capable (displays speed on water)
Frequencies supported: 50/77/200 kHz, DownVu
Transmit power: 500 W (RMS)/4,000 W (peak to peak) Voltage range: 10-28 Vdc input
Maximum depth: 2300' at 77kHz, freshwater

Includes:
4-pin DownVu transducer with transom mount and trolling motor mount
Tilt/swivel quick-release mount
Power Cable