The high performance 161 all-in-one Combo with high resolution monochrome display, GPS Chartplotting with the built-in UniMap and compact size makes an ideal upgrade to your old factory or dealer installed model.
Key Features
 
    * Full featured fishhfinder and GPS with built-in maps puts you on top of the hotspots
    * Internal 16 channel WAAS GPS receiver with omni-directional antenna for higher performance
    * Built-in 4 nautical mile resolution UniMap™ of USA inland lakes, rivers and coastal areas
    * Affordable, compact fishfinder reveals bottom, structure and fish.
    * High contrast 320V x 240H, 4" FTSN display
    * Precision 20° Single Beam sonar optimized for definition and coverage
    * 1200 Watts peak-to-peak (150 Watts RMS) power output
    * Reliable performance from shallow to 600 feet
    * Water temperature included, speed capable
    * Tilt & swivel quick disconnect mount system or optional in-dash mount
Humminbird 161 GPS/Fishfinder combo