Specification :

Physical & Performance:

Unit dimensions, WxHxD: 2.4" x 6.3" x 1.4" ( 6.1 x 16.0 x 3.6 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: 9.2 oz ( 260.1 g) with batteries
Battery: 2 AA batteries ( not included) ; NiMH or Lithium recommended
Battery life: 20 hours
Waterproof: yes ( IPX7)
Floats: no
High-sensitivity receiver: yes
Interface: high-speed USB and NMEA 0183 compatible
Maps & Memory:

Basemap: yes
Ability to add maps: yes
Built-in memory: 1.7 GB
Accepts data cards: microSDâ„¢ card ( not included)
Waypoints/ favorites/ locations: 2000
Routes: 200
Track log: 10, 000 points, 200 saved tracks
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 Connectâ„¢ compatible ( online community where you analyze, categorize and share data) : yes