This combination color chartplotter and land navigator comes preloaded with maps for lakes throughout the continental U.S., in addition to detailed street-level mapping. Optional weather and sonar capabilities combined with the ability to conveniently add plug-in data cards, let you easily add more maps and features — making this one incredible GPS navigator for land and freshwater.

Receiver: WAAS-enabled, 12 parallel channel GPS receiver Display: 3.8-inch diagonal, 480 x 320 pixel, 256-color TFT screen with adjustable LED backlight Unit dimensions: 5.7"W x 3.2"H x 1.9"D Waypoints: Stores 3,000 waypoints and 50 reversible routes Tracks: 10,000 point automatic track log saves up to 15 tracks Battery life: Rechargeable lithium-ion battery offers 4 to 15 hours of use (4 hours with GXM 30 and 15 without GXM 30) Water resistant up to IEC 60529 IPX7 standards (submersible in one meter of water for 30 minutes)Built-in street navigation with voice prompts, using included cable and speaker Add optional GSD 21 for full-feature sonar capability Add optional GXM 30 antenna for XM WX Satellite Weather Provides tides and built-in celestial information NMEA 0183 input and output