Unit dimensions, WxHxD: 2.7" x 6.2" x 1.2" (6.9 x 15.7 x 3.0 cm)
Display size, WxH: 1.6" x 2.2" (4.1 x 5.6 cm)
Display resolution, WxH: 160 x 240 pixels
Display type: 256 color transflective TFT
Weight: 7.7 oz (218 g) with batteries
Battery: 2 AA batteries (not included)
Battery life: 18 hours, typical
Waterproof: yes (IPX7)
Floats: yes
High-sensitivity receiver: yes
PC interface: serial and USB
RoHS version available: yes

Maps & Memory:

Basemap: yes
Ability to add maps: yes
Built-in memory: none (cannot load maps to internal memory)
Accepts data cards: 128 microSD card (included)
Waypoints: 1000
Routes: 50
Track log: 10,000 points; 20 saved tracks

Features:

Automatic routing (turn by turn routing on roads): yes
Electronic compass: no
Barometric altimeter: no
Geocaching mode: yes
Outdoor GPS games: yes
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