• Sunlight-readable display with 256-color transreflective TFT display (1.5" W x 2.2" H; 2.6" diagonally); color operating system with new look-and-feel
• Faster processor, with auto routing, turn-by-turn directions, and audio alerts along city streets or trails when using MapSource® City Select® or 24K Topo software (optional software)
• 56 MB of internal memory for storing map detail
• Permanent user data storage
• Each day’s best hunting and fishing times—along with sunrise/sunset times—on the integrated Outdoor Calendar
• Special geocaching navigation mode
• Geolocation games, such as Virtual Maze, Nibbons, Geko™ Smak, and Memory Race
• Fast map transfer, with support for both USB and serial port interfaces; navigation instructions can be shared with repeaters, plotters, and autopilots using NMEA protocols through the dedicated serial port
• Detailed basemap with general map data, including highways, major roads, river, lakes, and borders
• Dedicated "mark", "page", "enter", "quit", "menu", "find", and "zoom out/in" buttons; four-position rocker pad
• 2.4" x 6.1" x 1.3" (W x H x D) unit dimensions
• Weighs 5.4 ounces (without batteries), 7.5 ounces (with batteries)
• WAAS GPS receiver with accuracy to 10 feet in North America; built-in quad-helix antenna for better satellite reception
• 30 hours of battery life under typical-use conditions (uses two "AA" batteries)
• Multi-platform navigation for easy navigation in a car or boat, or on foot
• Accepts data from MapSource products. See the MapSource Compatibility table (top right) for a list of software that Garmin recommends with this product.
• Waterproof to IEC 60529 IPX7 standards (can be submerged in one meter of water for up to 30 minutes)
• 50 reversible routes, 10,000 track points with tracBack® technology (navigate to any track point on the displayed map), and 1000 waypoints with additional graphical icons for location identification
• Proximity alerts for anchor drag, arrival, off-course, proximity waypoint; built-in alarm clock
• User-configurable track-line color, waypoint projection, display color scheme, large-numbers option, audio tones, and pages (turn on/off main pages or change the sequence in which they appear)
• trip computer provides odometer, stopped time, moving average, overall average, total time, max speed, and more

Waypoints/icons: 1000 with name and graphic symbol, 10 nearest (automatic), 10 proximity

Routes: 50 reversible routes with up to 250 points each, plus MOB and TracBack® modes

Tracks: 10,000-point automatic track log; 20 saved tracks, 500 points each, let you retrace your path in both directions

Trip computer: Current speed, average speed, resettable maximum speed, trip timer, and trip distance

Alarm clock: Anchor drag, approach and arrival, off-course, proximity waypoint, shallow water, and deep water

Tables: Built-in celestial tables for best times to fish and hunt; sun and moon rise, set, and location

Map datums: More than 100 plus user datums

Position format: Lat/Lon, UTM/UPS, Maidenhead, MGRS, Loran tds, and other grids, including user grid 

Receiver: WAAS-enabled, 12-parallel-channel GPS receiver continuously tracks and uses up to 12 satellites to compute and update your position

Acquisition times:

Warm: Approximately 15 seconds

Cold: Approximately 45 seconds

AutoLocate™: Approximately 5 minutes

Update rate: 1/second, continuous

GPS accuracy:

Position: < 15 meters, 95% typical*

Velocity: 0.05 meter/sec steady state

WAAS accuracy:

Position: < 3 meters, 95% typical

Velocity: 0.05 meter/sec steady state

Dynamics: 6 g’s

Interfaces: USB, RS232 with NMEA 0183, RTCM 104 DGPS data format and proprietary GARMIN

Antenna: Built-in quadrifilar, with external antenna connection (MCX)

Differential: DGPS, USCG and WAAS capable 

Basemap: Built-in routable Americas Recreational or Atlantic Recreational or Pacific Recreational basemap with cities, highways, interstates, exit info, rivers, lakes; preloaded with worldwide cities

Uploadable maps: Accepts up to 56 megabytes of downloaded map detail from a variety of optional MapSource CDs**  

Source: Two “AA” batteries (not included)

Battery life: Up to 30 hours (typical use) 

Size: 2.4" W x 6.1" H x 1.3" D (61mm x 155mm x 33mm)

Weight: Weighs 5.4 ounces (without batteries), 7.5 ounces (with batteries)

Display: 1.5 x 2.2 inches (38mm x 56mm); (256 transflective) color TFT (160 x 240 pixels)

Case: Waterproof to IPX-7 standards

Temp. range: 5ºF to 158ºF (-15ºC to 70ºC)

Specifications are preliminary and subject to change without notice.

* Subject to accuracy degradation to 100m 2DRMS under the U.S. Department of Defense imposed Selective Availability Program.

** These units are also able to transfer waypoints, routes, and tracks between the PC and GPS using MapSource™.