Garmin gpsmap 276C

Physical & Performance:
Unit dimensions, WxHxD: 5.7" x 3.2" x 1.9" ( 14.5 x 8.1 x 4.8 cm)
Display size, WxH: 3.0" x 2.2" ( 7.6 x 5.6 cm)
Display resolution, WxH: 480 x 320 pixels
Display type: 256-color TFT
Weight: 13.6 oz ( 385 g)
Battery: rechargeable internal lithium-ion
Battery life: up to 15 hours
Waterproof: yes ( IPX7)
Antenna: detachable
NMEA input/ output: NMEA 0183
RoHS version available: yes

Maps & Memory:
Basemap: yes
Preloaded maps: no
Ability to add maps: yes
Built-in memory: none
Accepts data cards: Garmin data cards
Waypoints/ favorites/ locations: 3, 000
Routes: 50
Track log: 10, 000 points

Features:
Garmin radar compatible: no
Garmin sonar compatible: yes
CANet® compatible: no
Garmin Marine Networkâ„¢ compatible: no
Supports AIS ( tracks target ships' position) : no
Supports DSC ( displays position data from DSC capable VHF radio) : yes
Audible alarms: yes
Tide tables: yes
Hunt/ fish calendar: yes
Sun and moon information: yes
3D map view: no
Auto Guidance: no
Automatic routing ( turn by turn routing on roads) : yes
XM WX Weather & Radio for U.S. compatible: no
Voice prompts ( e.g. " Turn right in 500 ft." ) : no
Remote control: no
Headphone jack/ audio line-out: yes
Audio/ video input/ output: no
Portable: yes
Automotive/ motorcycle-friendly: yes