Features

  • Automatic routing (turn by turn routing on roads): yes (with optional mapping for detailed roads)
  • Electronic compass: yes (tilt-compensated, 3-axis)
  • Touchscreen: no
  • Barometric altimeter: yes
  • Camera: no
  • Geocaching-friendly: yes (paperless)
  • Custom maps compatible: yes
  • Photo navigation (navigate to geotagged photos): yes
  • Outdoor GPS games: no
  • Hunt/fish calendar: yes
  • Sun and moon information: yes
  • Tide tables: yes
  • Area calculation: yes
  • Custom POIs (ability to add additional points of interest): yes
  • Unit-to-unit transfer (shares data wirelessly with similar units): yes
  • Picture viewer: no
  • Garmin Connect™ compatible (online community where you analyze, categorize and share data): yes

Physical & Performance:

  • Unit dimensions, WxHxD: 2.6″ x 6.0″ x 1.2″ (6.6 x 15.2 x 3.0 cm)
  • Display size, WxH: 1.6″ x 2.2″ (4.1 x 5.6 cm); 2.6″ diag (6.6 cm)
  • Display resolution, WxH: 160 x 240 pixels
  • Display type: transflective, 65-K color TFT
  • Weight: 7.7 oz (218.3 g) with batteries
  • Battery: 2 AA batteries (not included); NiMH or Lithium recommended
  • Battery life: 20 hours
  • Waterproof: yes (IPX7)
  • Floats: yes
  • High-sensitivity receiver: yes
  • Interface: high-speed USB and NMEA 0183 compatible
  • RoHS version available: yes

Maps & Memory:

  • Basemap: yes
  • Ability to add maps: yes
  • Built-in memory: 1.7 GB
  • Accepts data cards: microSD™ card (not included)
  • Waypoints/favorites/locations: 2000
  • Routes: 200
  • Track log: 10,000 points, 200 saved tracks
What’s in the Box
  • Garmin GPSMAP 78 Marine GPS Navigator
  • Wrist Strap
  • USB Cable
  • Manual
  • Card Warranty
  • CD Software