Physical & Performance: Unit dimensions, WxHxD: 4.8" W x 3.0" H x .8" D ( 12.2 x 7.6 x 2.0 cm) Display size, WxH: 3.81" W x 2.25" H ( 9.7 x 5.7 cm) ; 4.3" diag ( 10.9 cm) Display resolution, WxH: 480 x 272 pixels Display type: WQVGA color TFT with white backlight Weight: 6.2 ounces ( 176 g) Battery: rechargeable lithium-ion Battery life: up to 5 hours Waterproof: no High-sensitivity receiver: yes RoHS version available: yes Maps & Memory: Basemap: yes Preloaded street maps: yes ( regional) Ability to add maps: yes Built-in memory: internal solid state Accepts data cards: SD™ card ( not included) Waypoints/ favorites/ locations: 500 Routes: 10 Features: Voice prompts ( e.g. " Turn right in 500 ft." ) : yes ( internal speaker) Speaks street names ( e.g. " Turn right ON ELM STREET in 500 ft." ) : yes Voice-activated navigation ( operate device with spoken commands) : no Lane assist ( guides you to the proper lane for navigation) : no 3-D building view ( displays buildings in 3-D) : no Auto sort multiple destinations ( provides most direct route) : yes Auto re-route ( fast off-route and detour recalculation) : yes Choice of route setup ( faster time, shorter distance, off road) : yes Route avoidance ( avoid highways, tolls etc.) : yes Bluetooth® wireless technology ( connect to your phone for hands-free calling) : yes Garmin nü Link! Services: ( receive accurate real-time travel information) : no FM traffic compatible: yes MSN® Direct compatible: yes XM® Navtraffic & Radio for U.S. compatible: no Speed limit indicator ( displays speed limit for most major roads in the U.S. and Europe) : no Where Am I? ( find closest hospitals, police & gas stations, nearest address & intersection) : yes Garmin Locate™ ( marks position when removed from windshield mount) : yes ecoRoute™ ( calculates a more fuel-efficient route) : yes Qwerty or ABC keyboard ( choose keyboard layout) : yes Custom POIs ( ability to add additional points of interest) : yes Garmin Garage™ vehicles compatible ( download car-shaped icons to your device) : yes Garmin Garage™ voices compatible ( download custom voices to your device) : yes Photo navigation ( navigate to geotagged photos) : yes World travel clock, currency & unit converter, calculator: yes Picture viewer: yes MP3 player: yes Audio book player: yes FM transmitter: yes Headphone jack/ audio line-out: yes Garmin Lock™ ( anti-theft feature) : yes Touchscreen: yes Dead reckoning: no Motorcycle-friendly: no Trucking-friendly: no Geocaching-friendly: no Marine-friendly: no Additional: This USB mass storage device is compatible with Windows® XP or newer and Mac® OS X 10.4 or later.