Fishfinder 580 Combo shows your position on a chart virtually anywhere you can fish on on a built-in UniMap™ and delivers exceptional coverage with DualBeam PLUS sonar in one compact unit.
Key Features
 
    * Combination GPS chartplotter and sonar capability in one compact unit with a quick disconnect mount
    * Built-in UniMap™ of the USA coastline, and inland lakes and rivers to 30 meters per pixel
    * 16 Channel WAAS GPS receiver for highest accuracy
    * High Contrast 640V x 320H 5" diagonal display with UltraBlack™ Contrast Enhancement
    * DualBeam PLUS sonar delivers wide coverage and better bottom definition
    * Selectable 20° or 60° beams, or simultaneous operation
    * 2000 Watts Peak-to-Peak, 250 Watt RMS power output
    * Reliable performance from shallow to 800 feet
    * Sonar Echo Enhancement™ shows a bait when vertical jigging and delivers 2 1/2" target separation
    * Real Time Sonar™ captures the action at up to 40 times a second for better views when moving
    * Upgradable to Navionics® seamless cartography with inland freshwater maps from Navionics HotMaps™ and Marine cartography for blue water use
    * Exclusive Tilting & Swiveling Quick Disconnect Mounting System without cables to connect
    * Temperature included in transducer, GPS speed included
Humminbird 580 GPS/Fishfinder combo