The 4212 combines the power of networking with a slim-line design. It comes pre-loaded with BlueChart® g2 maps of the U.S. coast and displays them in brilliant color on a 12.1" XGA display with crisp, video-quality resolution. When connected to the Garmin Marine Network, you can add sonar, radar and weather. Also comes preloaded with a worldwide basemap and accepts additional map data via the built-in SD card slot.
Dimensions: 9.5"H x 14.8"W x 4.6"D.
Display size: 9.7"W x 7.3"H, 12.1" diagonal.
Display resolution: 1,024 x 768 pixels.
Weight: 10 lbs.

Features:
Waterproof to IPX7 standards
High-sensitivity receiver
External antenna
NMEA 0183, NMEA 2000
1,500 waypoints/favorites/locations
20 routes
Track log: 10,000 points; 20 saved tracks
Garmin radar compatible
Garmin sonar compatible
Garmin Marine Network compatible
Supports AIS (tracks target ships’ position)
Supports DSC (displays position data from DSC-capable VHF radio)
Audible alarms
Tide tables
Sun and moon information
3-D map view with optional BlueChart g2 Vision card
Auto guidance with optional BlueChart g2 Vision card
XM WX Weather and Radio for U.S. and Canada
Audio/video input/output

Includes:

• GPSMAP 4212
• Flush mount
• Bail mount
• GPS 17x NMEA 2000
• Power cable
• NMEA 0183 cable
• Video cable assembly
• Marine grommet kit
• Protective front cover
• Owner’s manual
• Installation instructions