Nuvi 500 GPS

Unit dimensions, WxHxD : 4.21"W x 3.35"H x .9"D (10.7 x 8.5 x 2.3 cm)
Display size, WxH : 2.8"W x 2.1"H (7.2 x 5.4 cm); 3.5" diag (8.9 cm)
Display resolution, WxH : 320 x 240 pixels
Display type : QVGA color antiglare TFT with white backlight
Weight : 7.6 ounces (215 g)
Battery : user-replaceable, rechargeable lithium-ion
Battery life : up to 8 hours
Waterproof : yes (IPX7)
High-sensitivity receiver : yes
RoHS version available : yes

Basemap : yes
Preloaded maps : yes (regional or 48 states+TOPO)
Ability to add maps : yes
Built-in memory : internal solid state
Accepts data cards : microSD card (not included)
Waypoints/favorites/locations : 500
Routes : 10