Garmin GPSMAP 431S Marine GPS Receiver

The GPSMAP 431S is a compact chart plotter that features an ultra-bright 4" QVGA color display along with an improved high-speed digital design for increased map drawing and panning speeds. It's ready to go with a built-in, satellite-enhanced basemap preloaded with US Inland Lakes and an easy-to-use interface designed to help you navigate the open waters with ease. The GPSMAP 431S also accepts BlueChart g2 Vision cards for added features and functionality such as high-resolution satellite imagery, 3D views and Auto Guidance technology.

• Marine GPS receiver
• Ultra-bright 4" diagonal QVGA display
• 240 x 320 Pixels - more than 800 nits of brightness
• Preloaded with charts for more than 14,000 US lakes & navigable rivers
• Built-in high-sensitivity GPS receiver
• High-speed processor for fast screen redraws & smooth panning
• Streamlined user interface
• 2 NMEA 0183 I/O ports
• Power output: 400W (RMS), 3200W (peak to peak), dual beam
• Depth: 900'/ 300m (dual beam)
• Dual beam transducer 80kHz (45°), 200kHz (14°) for maximum freshwater 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
• Round flasher display mode
• 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 & bottom lock zoom)
• Adjustable keel offset
• Alarms for fish size, shallow water, deep water & low battery
• Backlit keypad for easy operation in low light conditions
• Single SD card slot for Inland Lakes Vision cards, as well as saving waypoints, routes & tracks to a SD card
• In the box: GPSMAP 431s, tilt/swivel mount, protective front cover, power/data cable, documentation, and dual beam transducer
• Measures 5.7"L x 5"W x 2.7"H
• Made in Taiwan