Ultra-bright 4" diagonal QVGA display
240 x 320 pixels— more than 800 nits of brightness
NMEA 2000 certified
Preloaded worldwide marine basemap
Compatible with GXM 51 for XM Satellite Radio® & XM WX Satellite Weather®
Built-in high-sensitivity GPS receiver
High-speed processor for fast screen redraws & smooth panning
Streamlined user interface makes it simple to select modes & features
Power output: 500W (RMS), 4,000W (peak to peak), dual frequency
Depth: 1,500 ft/ 500 m (dual frequency)
Dual frequency transducer 50kHz (45°), 200kHz (10°) for maximum saltwater performance
Patented transom/trolling mount transducer
UltraScroll™ high rep rate sonar provides fast screen updates
AutoGain technology enhances target visibility
See-Thru® technology—shows weak & strong returns simultaneously
Water temperature log graphically records water temp data
A-scope
Whiteline
Adjustable depth line helps gauge desired fishing levels & bottom clearance
Split zoom display offers a closer look at fish targets & bottom structure
2x, 4x & bottomlock zoom
Adjustable keel offset
Alarms for fish size, shallow water, deep water & low battery
Single SD™ Card slot for BlueChart® g2 Vision cards, & saving waypoints, routes & tracks to an SD™ Card
Backlit keypad for easy operation in low light conditions
Dim: 5.7"H x 5”W x 2.7”D

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Discontinued - Garmin 010-00766-01 GPSMAP 441S Marine GPS Receiver